bigram

This is a table of type bigram and their frequencies. Use it to search & browse the list to learn more about your study carrel.

bigram	frequency
drinking water	576
water quality	368
enteric viruses	283
wastewater treatment	250
public health	228
climate change	212
water samples	204
water supply	200
biscao water	175
escherichia coli	170
water treatment	166
developing countries	166
surface water	159
united states	139
risk assessment	121
human health	119
indoor vertical	113
water sources	110
treatment plants	104
water use	102
vertical farms	100
enteric pathogens	95
fecal contamination	91
sea water	87
organic matter	87
fecal coliforms	84
water management	84
human enteric	83
virus removal	82
river water	82
water supplies	81
water resources	80
water systems	78
water governance	78
water bodies	76
cfu ml	76
contaminated water	74
removal efficiency	71
cord uid	67
doc id	67
tap water	64
indicator bacteria	63
waterborne pathogens	63
developed countries	62
filter media	61
surface waters	60
may also	59
water sample	59
fecal pollution	58
environmental samples	58
irrigation water	58
organic pollutants	57
water reuse	56
waterborne disease	55
treatment plant	55
health risk	55
fresh water	55
virus concentration	55
recreational water	55
activated sludge	53
disease burden	52
food production	50
disease outbreaks	50
indicator organisms	49
pathogenic bacteria	49
graphene oxide	49
surface area	48
treated wastewater	48
care products	47
fecal coliform	47
pathogen removal	47
visible light	47
personal care	46
water source	46
colloidal dispersion	45
water distribution	45
clean water	45
human pathogens	45
ghg emissions	45
environmental conditions	45
viral pathogens	45
action labs	44
rural areas	44
fresh produce	44
world health	44
activated carbon	43
waterborne illness	43
coliform bacteria	43
urban areas	43
electron microscopy	43
food safety	43
swimming pool	42
united nations	42
nucleic acid	42
global warming	42
million people	42
adaptation strategies	42
health effects	41
treatment processes	41
fold diluted	41
household water	41
ground water	41
infectious diseases	41
potable reuse	40
health risks	40
virus survival	39
photocatalytic degradation	39
fecal streptococci	39
pore size	39
coastal waters	39
traditional farming	39
exposure assessments	38
enteric pathogen	37
even though	37
time pcr	37
treatment process	37
commonly used	37
soil water	37
raw water	37
total coliforms	37
distribution systems	36
swimming pools	36
safe water	36
hazardous waste	36
virus adsorption	36
viral particles	36
health organization	35
systematic review	35
relative humidity	35
photocatalytic activity	35
source water	34
environmental waters	34
aquatic environment	34
municipal wastewater	34
use efficiency	34
waterborne diseases	34
vibrio cholerae	34
land use	33
air pollution	33
exposure assessment	33
water pollution	33
bacterial pathogens	33
treated water	32
cryptosporidium parvum	32
glass wool	32
environmental protection	32
saharan africa	32
income countries	32
enteric bacteria	32
cell culture	32
marine environment	31
particle size	31
marine waters	31
large volumes	31
reclaimed water	31
potable water	31
ecosystem services	31
umgeni river	31
wide range	31
human wastewater	31
ill persons	30
source tracking	30
enteric virus	30
environmental water	30
pathogenic viruses	30
risk management	30
different types	30
safe drinking	30
water composition	30
distribution system	30
borne diseases	30
sewage treatment	30
us epa	30
recreational waters	29
following treatment	29
positively charged	29
basic sanitation	29
suspended solids	29
carbon dioxide	29
membrane filters	29
chain reaction	28
per year	28
polymerase chain	28
protection agency	28
urban coastal	28
incubation period	28
urban water	28
flow rate	28
poliovirus type	28
online monitoring	27
milk replacer	27
etiologic agent	27
acute respiratory	27
microbial risk	27
environmental health	27
water deficit	27
water molecules	27
treatment technologies	27
living systems	27
recent years	27
total coliform	27
negatively charged	27
mitigation strategies	27
borne pathogens	27
polluted water	27
pmma go	26
cryptosporidium spp	26
citizen participation	26
aquatic environments	26
solar radiation	26
water saving	26
south africa	26
infectious disease	26
filtration efficiency	26
carbon nanotubes	26
i i	26
human consumption	26
water environment	26
listeria monocytogenes	26
detection methods	26
dissolved oxygen	26
water temperature	26
water used	25
sand filtration	25
public water	25
outbreaks associated	25
pathogen exposure	25
vertical farming	25
energy consumption	25
north america	25
water consumption	25
clothes washing	25
water purification	25
adverse effects	25
uv light	24
widely used	24
health hazards	24
heavy metals	24
many cases	24
treatment facilities	24
antibiotic resistance	24
water may	24
sewage effluent	24
water system	24
severe acute	23
environmental factors	23
bacterial indicators	23
years ago	23
wide variety	23
development goals	23
heavy metal	23
toilet flushing	23
virus detection	23
aquatic ecosystems	23
respiratory syndrome	23
waterborne outbreaks	23
organic compounds	23
vertical farm	23
water utilities	23
biscao suspension	22
detection limit	22
renewable energy	22
organic carbon	22
harvested rainwater	22
pseudomonas aeruginosa	22
water scarcity	22
coastal zones	22
pathogens may	22
fecal indicator	22
recycled water	22
recent study	22
recovery efficiencies	22
energy use	22
chemical mixtures	22
irrigation systems	22
waste water	22
made available	22
waterborne viruses	22
face masks	22
secondary treatment	22
estuarine waters	21
foodborne pathogens	21
pathogenic microorganisms	21
environmental impacts	21
per day	21
young children	21
virus persistence	21
case study	21
contact time	21
food security	21
disease control	21
electrospun nanofibers	21
coronavirus disease	21
helminth eggs	21
microbial pathogens	21
water storage	21
microbial contamination	20
direct detection	20
will likely	20
rapid detection	20
risk factors	20
advanced oxidation	20
water volume	20
like particles	20
recovery efficiency	20
wastewater reclamation	20
population growth	20
hollow fiber	20
escherichia coil	20
well known	20
concentration methods	20
treatment systems	20
virus inactivation	20
high levels	20
world bank	20
domestic water	20
water using	20
cell lines	20
new york	20
provide information	20
water standards	20
septic tanks	20
salmonella spp	20
management practices	20
land application	20
quantitative microbial	20
molecular methods	20
treatment train	20
particulate matter	19
nucleic acids	19
electrospun nanofiber	19
cell wall	19
factors affecting	19
biotic impoverishment	19
virus particles	19
statistically significant	19
sea level	19
pathogen detection	19
water body	19
previous studies	19
novel coronavirus	19
billion people	19
author funder	19
membrane filter	19
see table	19
sanitation facilities	19
high concentrations	19
granted medrxiv	19
odds ratio	19
soil moisture	19
untreated wastewater	19
aquatic systems	19
version posted	19
salmonella enterica	19
developing world	19
copyright holder	19
human adenoviruses	19
well water	19
sanitation systems	19
water channels	19
commercially available	18
natural resources	18
survive longer	18
following sections	18
bacterial cells	18
decision making	18
resistance genes	18
clinical specimens	18
remained viable	18
clostridium perfringens	18
water environments	18
infectious dose	18
axenic culture	18
disaster incubation	18
mg kg	18
water contamination	18
quality standards	18
rural communities	18
sanitation services	18
free chlorine	18
fossil fuels	18
water availability	18
water safety	18
water content	18
international license	18
millennium development	18
sand filter	18
climatic conditions	18
action lab	18
control measures	18
hexavalent chromium	17
total water	17
distilled water	17
epidemiological studies	17
agricultural practices	17
cryptosporidium oocysts	17
molecular techniques	17
will need	17
quality monitoring	17
outdoor farming	17
microporous filters	17
sanitary systems	17
parvum oocysts	17
recent studies	17
water demand	17
water cycle	17
polluted waters	17
emerging contaminants	17
water disinfection	17
water column	17
relatively low	17
health care	17
organic flocculation	17
service delivery	17
sustainable development	17
global climate	17
microbial source	17
target species	17
treated drinking	17
determine whether	17
sandy soils	16
viable cells	16
municipal water	16
povidone iodine	16
wastewater samples	16
environmental impact	16
biscao dispersion	16
soil particles	16
water delivery	16
bottled water	16
also found	16
river basin	16
typhoid fever	16
standard methods	16
feline calicivirus	16
sewage sludge	16
virus recovery	16
shell powder	16
wastewater sludge	16
pcr assay	16
surveillance system	16
latin america	16
fecal indicators	16
salmonella typhimurium	16
water filtration	16
gi illness	16
moisture content	16
health outcomes	16
human fecal	16
specific pathogens	16
nutrient solution	16
barrier system	16
kg day	16
sustainable water	16
waste management	16
groundwater recharge	16
agricultural production	16
pasoh fr	16
specific surface	16
risks associated	16
soil type	16
may lead	16
scanning electron	16
potential health	16
pathogenic organisms	16
many countries	16
quantitative pcr	15
medrxiv preprint	15
statistical significance	15
plastic bags	15
reverse transcription	15
environmental matrices	15
incubation periods	15
artificial lighting	15
pool water	15
norwalk virus	15
mortality rates	15
samples collected	15
hydrogen peroxide	15
white powder	15
membrane filtration	15
related issues	15
foodborne illness	15
authors declare	15
helminth ova	15
field studies	15
molecular weight	15
per ml	15
change adaptation	15
ghana water	15
produce contamination	15
disease surveillance	15
land treatment	15
exposure parameters	15
coastal zone	15
several studies	15
regenerated cellulose	15
growth rate	15
coastal areas	15
will also	15
may result	15
viral contamination	15
waterborne illnesses	15
fecal sludge	15
treatment options	15
bathing waters	15
water company	15
health impacts	15
bacteriophage ms	15
adenovirus type	15
vibrio parahaemolyticus	15
important role	15
transmission pathways	15
ph levels	15
based methods	15
microbial indicators	15
peninsular malaysia	15
critical review	15
situ hybridization	15
st century	15
health agencies	15
membrane bioreactor	15
raw sewage	15
use behaviors	15
water uptake	15
environmental costs	15
positive results	15
reclaimed wastewater	15
filter material	15
important factor	14
chlorine dioxide	14
many people	14
dissolved organic	14
million cases	14
virus retention	14
tokyo bay	14
may affect	14
step concentration	14
case definition	14
case studies	14
aqueous solution	14
amino acid	14
oxidation processes	14
aquatic organisms	14
go film	14
bottom sediments	14
dry season	14
microbial community	14
emerging pathogens	14
co emissions	14
per unit	14
river blindness	14
global food	14
mosquito control	14
ambient water	14
early warning	14
wastewater effluent	14
cryptosporidium infection	14
take place	14
slow sand	14
exposure pathways	14
water channel	14
log removal	14
african countries	14
cell membrane	14
water flow	14
human activities	14
etiologic agents	14
sample collection	14
calcium oxide	14
room temperature	14
go layer	14
toxic substances	14
people living	14
wastewater reuse	14
fecal source	14
air flow	14
hiv aids	14
animal viruses	14
may provide	14
viral filtration	14
band gap	14
two different	14
marine bacteria	14
chesapeake bay	14
human viruses	14
policy instruments	13
wild animals	13
short time	13
water features	13
giardia cysts	13
concentration method	13
receiving waters	13
photocatalytic performance	13
level rise	13
irrigation system	13
organic contaminants	13
another important	13
human pathogenic	13
headwaters country	13
large surface	13
pathogen contamination	13
forming units	13
molecular tools	13
antibacterial activity	13
study area	13
water utility	13
foodborne diseases	13
human exposure	13
tropical rainforest	13
somatic coliphages	13
antimicrobial resistance	13
surface charge	13
filter run	13
run time	13
also reported	13
log reduction	13
large amount	13
biofilm formation	13
secondary concentration	13
water crisis	13
phage therapy	13
plant growth	13
better understanding	13
viral infections	13
storm water	13
volume ratio	13
silver nanoparticles	13
economic development	13
quality criteria	13
laboratory conditions	13
aquatic life	13
pathogenic microbes	13
human population	13
health impact	13
site sanitation	13
past years	13
health problems	13
mass spectrometry	13
light irradiation	13
will require	13
beef extract	13
low cost	13
domestic wastewater	13
naturally occurring	13
lower ph	13
increasing water	13
borne disease	13
phage application	13
causative agent	13
dengue fever	13
electrical conductivity	13
bioshell calcium	13
viral rna	13
lake water	13
recent advances	13
southern ontario	13
antimicrobial activity	13
ssan region	13
use water	13
animal studies	13
null hypothesis	13
soil layer	13
infectious agents	13
dry periods	13
southeast asia	13
every year	12
may become	12
natural waters	12
water works	12
epa guidelines	12
pathogenic contamination	12
charged filters	12
health approach	12
will provide	12
rain forest	12
greenhouse gas	12
pharyngoconjunctival fever	12
will increase	12
respiratory protective	12
environmental surfaces	12
treatment units	12
air quality	12
methods used	12
fecal matter	12
evaporative cooling	12
available water	12
low concentrations	12
fiber ultrafiltration	12
hypochlorous acid	12
water stress	12
various water	12
wastewater using	12
per liter	12
virus reduction	12
oral route	12
wild birds	12
energy demand	12
different water	12
potential sources	12
diatom species	12
salt water	12
faecal pollution	12
water contaminated	12
groundwater quality	12
high quality	12
viral diseases	12
various types	12
takes place	12
romaine lettuce	12
staphylococcus aureus	12
crop processing	12
high level	12
significant role	12
norovirus gii	12
th century	12
times higher	12
water development	12
treatment system	12
foodborne disease	12
table shows	12
long term	12
filter effluent	12
viruses may	12
sediment samples	12
groundwater sources	12
human populations	12
protective equipment	12
carbon sequestration	12
pilot plant	12
high cost	12
different environmental	12
glycyrrhizic acid	12
influenza virus	12
one health	12
much higher	12
recent work	12
water conservation	12
study showed	12
surgical masks	12
rainbow trout	12
plant water	12
water price	12
antiviral activity	12
polyethylene glycol	12
industrial wastewater	12
contaminated food	12
heat pumps	12
related diseases	12
farming systems	12
laboratory studies	12
attack rate	12
long periods	12
life cycle	12
large volume	12
scallop shell	12
poor people	12
amino acids	12
te er	12
reduced graphene	12
global burden	12
ph values	12
field conditions	12
viral infection	12
used water	12
light energy	12
diarrhoeal disease	12
retention time	12
two types	11
virus concentrations	11
solid waste	11
large numbers	11
coordinate system	11
negative results	11
tropical diseases	11
samples using	11
outbreak investigations	11
salt poisoning	11
deep ocean	11
also used	11
water security	11
supply systems	11
leafy greens	11
culture media	11
agricultural systems	11
filtration process	11
disease outbreak	11
tropical rainforests	11
environmental variables	11
state provincial	11
may occur	11
cancer guidelines	11
acrylic acid	11
wastewater surveillance	11
flow cytometry	11
algal blooms	11
organic material	11
ambient air	11
health concern	11
adsorbed water	11
bacterial cell	11
environmental science	11
diseases caused	11
groundwater contamination	11
viral gastroenteritis	11
bathing showering	11
plant pathogens	11
remote sensing	11
adjusted life	11
per cubic	11
treat wastewater	11
waterborne viral	11
bacterial load	11
water evaporation	11
isotope values	11
open defecation	11
became ill	11
clinical signs	11
water chemistry	11
volume water	11
exposure pathway	11
cell walls	11
particulate organic	11
different species	11
tidal currents	11
per capita	11
pfu ml	11
chemical constituents	11
highly sensitive	11
south america	11
regulatory agencies	11
every day	11
per person	11
marine water	11
microbiological quality	11
surgical mask	11
heated scallop	11
annual disease	11
coral reefs	11
lytic activity	11
water needs	11
water vapor	11
poliovirus concentration	11
comparative study	11
techniques used	11
endemic areas	11
risk associated	11
several factors	11
microbicidal activity	11
adverse effect	11
sd model	11
often used	11
direct contact	11
relatively high	11
pollution control	11
moving forward	11
following equation	11
pcr detection	11
washing facilities	11
concentrating viruses	11
phage particles	11
cell cultures	11
redox potential	11
produce safety	11
storage tanks	11
primary contact	11
oxygen demand	11
molecular detection	11
electrostatic interactions	11
social media	11
rural bangladesh	11
also important	11
significantly higher	11
within min	11
antimicrobial agents	11
food products	11
may cause	10
human body	10
surface layer	10
viable following	10
basic hand	10
large number	10
fecal streptococcus	10
raw human	10
virus lr	10
viral load	10
sludge process	10
contaminated manure	10
high risk	10
nineteenth century	10
filtering efficiency	10
graphitic carbon	10
rna coliphages	10
protozoan pathogens	10
enamel surface	10
relative risk	10
weather conditions	10
cutting efficiency	10
large scale	10
genetically modified	10
public forums	10
measured using	10
reverse osmosis	10
freshwater ecosystems	10
neonatal calves	10
biological treatment	10
also known	10
two main	10
van der	10
world population	10
global population	10
anaerobic digestion	10
human activity	10
hydroxyl radicals	10
wool filters	10
many areas	10
odaiba area	10
bacterial communities	10
plant roots	10
transmission electron	10
environmental virology	10
hot water	10
analytical methods	10
posted april	10
least one	10
dna microarray	10
freshwater systems	10
ultrasonic scaling	10
collect samples	10
primary treatment	10
virus infection	10
gastrointestinal illness	10
disease transmission	10
well documented	10
many regions	10
available data	10
infection rates	10
long island	10
coliform counts	10
particularly important	10
rural dwellers	10
major cause	10
method involves	10
highly variable	10
sprayed onto	10
worth noting	10
see section	10
quantitative detection	10
residual chlorine	10
heavy rainfall	10
high surface	10
three main	10
infective dose	10
sanitation coverage	10
alternative filter	10
infectious virus	10
boil water	10
human feces	10
million deaths	10
method used	10
ocean waters	10
environmental sustainability	10
loading rates	10
human infection	10
another study	10
sandy soil	10
oral transmission	10
dead cells	10
projection coronas	10
water will	10
biological activity	10
quality control	10
giardia lamblia	10
past decade	10
lr values	10
water regulations	10
present study	10
domestic sewage	10
dried powder	10
irrigation canals	10
virus infectivity	10
probable number	10
genetic material	10
energy storage	10
first step	10
water productivity	10
livestock production	10
metal oxide	10
much lower	10
concentrate viruses	10
human adenovirus	10
cellulose hollow	10
water service	10
biomass production	10
aeromonas hydrophila	10
across europe	10
bacterial flora	10
high concentration	10
closely related	10
human waste	10
health conditions	10
removal efficiencies	10
west africa	10
environmental pollution	10
toxic chemicals	10
species will	10
body weight	10
virus type	10
incidence rate	10
national primary	10
low temperatures	10
bacterial contamination	10
controlled trial	10
urban runoff	10
suspended particles	10
human norovirus	10
plate count	10
soil ph	10
microbial growth	10
water droplets	10
primary drinking	10
agricultural irrigation	10
european union	10
surface soil	10
higher water	10
data collected	10
growing populations	10
filter paper	10
simultaneous detection	10
fulvic acids	10
fecal bacteria	10
several times	10
bacterial growth	10
urban rural	10
response assessment	10
natural systems	10
nonpoint sources	10
water matrices	10
reverse transcriptase	9
moisture levels	9
stool samples	9
river flow	9
infected persons	9
water containing	9
infectious viruses	9
public forum	9
fish tanks	9
epidemiological study	9
long time	9
measurement error	9
aquatic ecosystem	9
agricultural runoff	9
rapid growth	9
pure culture	9
yellow fever	9
gastroenteritis outbreak	9
water route	9
host range	9
will continue	9
viruses present	9
human enteroviruses	9
future perspectives	9
risk estimates	9
gastrointestinal tract	9
bank group	9
mechanical properties	9
viral clearance	9
estuarine sediments	9
soil characteristics	9
waterborne outbreak	9
ill people	9
testing laboratory	9
microbicidal activities	9
readily available	9
ecosystem engineers	9
study findings	9
viral outbreaks	9
must also	9
financial support	9
quality parameters	9
ion exchange	9
filtration processes	9
simultaneous concentration	9
research council	9
main source	9
also included	9
viral disease	9
exposure activity	9
virus transport	9
colony forming	9
diatomaceous earth	9
energy source	9
many different	9
nasal irrigation	9
several days	9
environmental problems	9
seven action	9
effluent turbidities	9
may contain	9
petri dishes	9
qpcr assays	9
systems may	9
results showed	9
posted june	9
communicable diseases	9
composite dust	9
hydroponic systems	9
settled water	9
benthic diatoms	9
river discharge	9
heterotrophic bacteria	9
septic tank	9
important factors	9
soil surface	9
elemental mapping	9
also possible	9
chemical properties	9
low temperature	9
environmental media	9
chemical composition	9
agar plate	9
adsorbed viruses	9
national water	9
cubic meter	9
agricultural land	9
amended soils	9
developing nations	9
high relative	9
concentration techniques	9
specific pathogen	9
metal oxides	9
low levels	9
exposure duration	9
spring water	9
epidemic curve	9
water concentration	9
filtration performance	9
host cells	9
pathogen feed	9
microbial communities	9
biological processes	9
climatic changes	9
strategies will	9
cholera epidemics	9
chlorine residual	9
nanofibrous membrane	9
peer review	9
glass powder	9
three different	9
cell death	9
assay techniques	9
negative impacts	9
clay soils	9
na hpo	9
external exposure	9
land area	9
enteric viral	9
enterica serovar	9
quality assessment	9
densely populated	9
hazard identification	9
biological integrity	9
solar energy	9
functional groups	9
many parts	9
viral filters	9
rna viruses	9
quality water	9
coliform group	9
cellular respiration	9
potential risk	9
dalys persons	9
echovirus type	9
dry weight	9
environmental surveillance	9
indicator organism	9
assisted colonization	9
tertiary treatment	9
contaminated wood	9
results suggest	9
may still	9
point source	9
wood pieces	9
foodborne illnesses	9
copies ml	9
animal fecal	9
storm surges	9
emerging pollutants	9
quantitative real	9
microbial water	9
water extraction	9
treated effluent	9
high temperatures	9
waste materials	9
direct potable	9
avian influenza	9
changing climate	9
pathogen inactivation	9
sewage pollution	9
periurban areas	9
among children	9
low ph	9
elevated temperature	9
leading cause	9
mechanical strength	9
information regarding	9
environmental assessment	9
different soil	9
drip irrigation	9
health advisories	9
stream water	9
cancer risk	9
standard deviation	9
one example	9
circuit voltage	9
flush toilets	9
sars coronavirus	9
human well	9
living things	9
electron microscope	9
water research	9
will depend	9
cryptosporidium parasites	9
treatment facility	9
risk analysis	9
gwf method	9
throughput sequencing	9
antimicrobial properties	9
secondary metabolites	9
concentrated sample	9
particle counter	9
personal protective	9
past exposure	9
many developing	9
calcium carbonate	9
literature review	8
higher levels	8
water temperatures	8
survival time	8
bacteria isolated	8
water protection	8
study revealed	8
frequently used	8
intentional contamination	8
abdominal pain	8
dna isolation	8
aquatic species	8
rotavirus sa	8
newly developed	8
much less	8
last years	8
filtration rate	8
current status	8
local conditions	8
concentration step	8
virus particle	8
infections caused	8
plate method	8
good quality	8
uv radiation	8
global atlas	8
laboratory results	8
good health	8
heat transfer	8
improve water	8
significantly reduce	8
enterobacter aerogenes	8
liquid chromatography	8
biosolids management	8
performed using	8
population will	8
adverse health	8
water levels	8
tem images	8
enamel clean	8
health benefits	8
river mouth	8
previously reported	8
genome copies	8
taipei city	8
natural resource	8
change will	8
general public	8
pore sizes	8
nitrogen cycle	8
north american	8
monoclonal antibodies	8
low concentration	8
new cases	8
water testing	8
internal exposure	8
negative effects	8
inactivation rates	8
detecting viruses	8
currently available	8
size exclusion	8
among others	8
environmental contamination	8
virus movement	8
sensitive detection	8
day ha	8
see box	8
treated sewage	8
microbiological safety	8
specific rna	8
ultraviolet light	8
syndrome coronavirus	8
bacterial cellulose	8
culture room	8
contaminated suspension	8
water sector	8
titanium dioxide	8
vector control	8
secondary cases	8
air conditioning	8
pollution exposure	8
helicobacter pylori	8
turn propensity	8
saving appliances	8
low level	8
nitrifying bacteria	8
poor sanitation	8
wastewater effluents	8
global resource	8
water courses	8
water monitoring	8
related outbreaks	8
health hazard	8
ge en	8
water conditions	8
population increase	8
fecal origin	8
trickling filter	8
studies indicate	8
bacterial indicator	8
energy sources	8
coarse sand	8
th ho	8
planova filters	8
organic materials	8
protective effect	8
tropical medicine	8
novel virus	8
poor communities	8
enhanced photocatalytic	8
atlantic ocean	8
may influence	8
ecological footprint	8
cholera incidence	8
york city	8
monte carlo	8
transmission routes	8
virus types	8
increased use	8
west nile	8
human cryptosporidiosis	8
hfuf method	8
diatom communities	8
reductive treatment	8
water production	8
affect water	8
acid hybridization	8
may represent	8
american water	8
organic soils	8
particle surface	8
table i	8
directed adsorption	8
one species	8
sanitation needs	8
many studies	8
coastal bathing	8
oocyst shedding	8
virus transmission	8
cartridge filter	8
water services	8
mean value	8
animal feces	8
waste disposal	8
molecular biology	8
green algae	8
infectious units	8
campylobacter spp	8
infecting humans	8
journal pre	8
small number	8
resource use	8
primary concentration	8
urban centers	8
microbial quality	8
greenhouse gases	8
cell line	8
major challenge	8
many species	8
oxidation process	8
health threat	8
levels may	8
vibrio spp	8
mitigation measures	8
residential water	8
total freshwater	8
animal waste	8
problems associated	8
use behavior	8
size distribution	8
randomized controlled	8
radio programs	8
several types	8
pasoh forest	8
heavily polluted	8
environmentally friendly	8
round structured	8
agricultural activities	8
works association	8
virological analysis	8
health threats	8
dairy calves	8
acid uptake	8
might also	8
survival rate	8
respiratory tract	8
whereas others	8
sodium chloride	8
small round	8
overland flow	8
green onions	8
water cooling	8
years old	8
recreational activities	8
carbon emissions	8
zno nanoparticles	8
uv irradiation	8
human rotavirus	8
infected wounds	8
drying biscao	8
disease incidence	8
crop production	8
spiking studies	8
water showed	8
bacterial species	8
different approaches	8
linked immunosorbent	8
high water	8
higher concentration	8
new pathogens	8
fold magnification	8
global health	8
health effect	8
different viruses	8
biscao particles	8
wastewater management	8
og ge	8
ct value	8
environmental degradation	8
legionella pneumophila	8
giardia spp	8
dental practice	8
may vary	8
pathogen survival	8
seasonal variations	8
growing number	8
isolation kit	8
hydraulic retention	8
local water	8
welcome uses	8
may need	8
solar irradiation	8
may require	8
developing ones	8
water tanks	8
tissue culture	8
existing water	8
world water	8
using water	8
go fibers	8
critical control	8
gas chromatography	8
ecological systems	8
soil types	8
ho og	8
global water	8
antiseptics disinfectants	8
immunosorbent assay	8
person associations	8
conventional treatment	8
middle east	8
also provide	8
crucial role	8
chlorinated water	8
stool specimens	8
factors influencing	8
monoclonal antibody	8
high turbidity	8
waters using	8
confidence interval	8
matter content	8
species diversity	8
contaminated drinking	8
marine microbiology	8
sludge treatment	8
protozoan cysts	8
inanimate surfaces	8
land uses	8
organic nitrogen	8
fatty acids	8
preventive measures	8
waterborne transmission	8
may prove	7
although many	7
dna extraction	7
infected individuals	7
time rt	7
may differ	7
life years	7
natural environment	7
systems will	7
per sample	7
free water	7
ammonium sulfate	7
bacterial diseases	7
public meetings	7
using quantitative	7
licorice plants	7
water infrastructure	7
flint water	7
rna bacteriophages	7
best management	7
viral antigens	7
public places	7
solvent affinity	7
enteric diseases	7
major problem	7
world war	7
water related	7
enteric illness	7
production line	7
vibrio vulnificus	7
colloidal dispersions	7
dam construction	7
attack rates	7
new tools	7
biological control	7
ingestion rates	7
state water	7
central america	7
please refer	7
natural water	7
blood products	7
management strategies	7
food demand	7
study reported	7
end use	7
will take	7
important source	7
heat waves	7
oligotrophic bacteria	7
private sector	7
data analysis	7
economic conditions	7
may involve	7
also shown	7
effluent samples	7
water exposure	7
spray irrigation	7
thermal energy	7
treatment techniques	7
microbiological contamination	7
southeast asian	7
ecosystem functioning	7
large water	7
volume reduction	7
helminths eggs	7
will result	7
water companies	7
fecal material	7
cellulose ester	7
increased incidence	7
water usage	7
future generations	7
general population	7
last decade	7
related wbdos	7
exposure science	7
water shortages	7
valence band	7
impact development	7
states environmental	7
local people	7
total number	7
snail control	7
urgent need	7
lt te	7
several different	7
single virus	7
dust bowl	7
agricultural productivity	7
sewage effluents	7
pore diameter	7
pathogen samples	7
developed world	7
control strategies	7
treatment unit	7
size range	7
surveillance systems	7
may contribute	7
approaches used	7
may indicate	7
gwcl officials	7
sea ice	7
bottom deposits	7
also help	7
dry period	7
virus filtration	7
methods include	7
surface runoff	7
oral cavity	7
cryptosporidium species	7
new material	7
genetically engineered	7
intergovernmental panel	7
pit latrines	7
oligonucleotide probes	7
north africa	7
relatively short	7
clinical features	7
extremely high	7
statistical analysis	7
new water	7
isotope analysis	7
field water	7
factors related	7
many instances	7
ca ions	7
study conducted	7
based amplification	7
virus may	7
food web	7
based epidemiology	7
contaminated soil	7
human actions	7
structured viruses	7
outbreak associated	7
ethanol solution	7
policy makers	7
nan doi	7
less water	7
found positive	7
draft cancer	7
water budget	7
data set	7
direct viable	7
chlorine residuals	7
plaque assays	7
pcr assays	7
fiber filters	7
exposed population	7
enveloped viruses	7
residence time	7
zoonotic pathogens	7
simian rotavirus	7
analysis reveals	7
may mean	7
extensively used	7
hydrological cycle	7
ec ct	7
phage treatment	7
human faeces	7
saline water	7
additional water	7
water layer	7
pathogens present	7
stormwater management	7
production systems	7
human pathogen	7
solar drying	7
coastal regions	7
quaternary ammonium	7
data obtained	7
plaque assay	7
filter materials	7
groundwater resources	7
aerosol production	7
pathogens associated	7
sanitation intervention	7
significant risk	7
shower heads	7
sanitary conditions	7
less developed	7
freshwater withdrawn	7
larger number	7
semiconductor photocatalyst	7
stool specimen	7
new technologies	7
infected cells	7
aquatic habitats	7
gulf coast	7
safe use	7
protozoan parasites	7
different kinds	7
genetic diversity	7
faecal contamination	7
production system	7
tangential flow	7
effluent quality	7
numerous studies	7
filtration media	7
zinc oxide	7
pathogen monitoring	7
intestinal tract	7
ecosystem functions	7
controlled environment	7
virus infections	7
ecosystem models	7
current evidence	7
invasive species	7
sydney water	7
disease risk	7
usually associated	7
ecological risks	7
gene expression	7
healthcare workers	7
bacteria removal	7
small numbers	7
will help	7
person transmission	7
reported cases	7
light photocatalytic	7
also influence	7
forest reserve	7
tropical rain	7
runoff water	7
regulatory agency	7
improved sanitation	7
negative bacteria	7
plc prf	7
water microbiology	7
airborne viruses	7
ph range	7
environmental sample	7
charge carrier	7
acute gastroenteritis	7
management policies	7
aquifer recharge	7
ill person	7
fiber diameter	7
incidence rates	7
maintenance costs	7
lower levels	7
larger numbers	7
walkerton inquiry	7
income settings	7
organic solvents	7
flow rates	7
lid treatment	7
using positively	7
national level	7
emerging waterborne	7
built environment	7
water filters	7
electric field	7
first time	7
site investigation	7
current state	7
enteric infections	7
global economy	7
water act	7
seasonal variation	7
water issues	7
wastewater will	7
nutrient cycles	7
adsorption sites	7
saving water	7
child health	7
directed towards	7
participatory approach	7
many factors	7
dipterocarp forest	7
etiological agent	7
carbon nitride	7
laboratory personnel	7
may include	7
quality indicator	7
water surface	7
electron acceptor	7
similar observations	7
inorganic compounds	7
nervous system	7
bacterial count	7
recreational beaches	7
treatment works	7
following section	7
public awareness	7
bacterial hosts	7
bacteroides fragilis	7
science technology	7
photosynthetic rate	7
estuarine water	7
environmental flows	7
disease caused	7
great lakes	7
living organisms	7
total chromium	7
cooling pads	7
microbial contaminants	7
disinfection activities	7
gastroenteritis viruses	7
sample number	7
water recycling	7
pollution indicators	7
quorum sensing	7
food industry	7
filter matrix	7
ionic strength	7
highly efficient	7
intermediate hosts	7
gastrointestinal symptoms	7
vester hjerk	7
key role	7
dose extrapolation	7
disaster research	7
klebsiella pneumoniae	7
comprehensive review	7
bottom water	7
determined using	7
production process	7
last decades	7
cause illness	7
weather events	7
force microscopy	7
process control	7
campylobacter jejuni	7
freshwater environments	7
water facilities	7
high temperature	7
risk factor	7
hong kong	7
biofuel production	7
electrical energy	7
risk characterization	7
management systems	7
soil erosion	7
viral indicators	7
local level	7
transmitted via	7
open ocean	7
specimen container	7
filtration step	7
storage capacity	7
silver nanoparticle	7
people infected	7
high dose	7
impact assessment	7
epidemiology studies	7
nonpoint source	6
viral pollution	6
extreme weather	6
dna samples	6
became infected	6
data available	6
nearly billion	6
aqueous matrices	6
intermediate host	6
neglected tropical	6
low molecular	6
hydraulic loading	6
ef ff	6
ultraviolet radiation	6
agricultural soil	6
natural organic	6
charged microporous	6
rising sea	6
walled carbon	6
analysis using	6
tropical storms	6
lost due	6
concentration procedures	6
will lead	6
rural development	6
parts per	6
waste sites	6
water ph	6
laboratory analysis	6
section will	6
early stage	6
phase separation	6
detection limits	6
calculation procedure	6
soil columns	6
adverse noncarcinogenic	6
viral genome	6
good sanitary	6
multiplex pcr	6
il lt	6
wet surface	6
island sound	6
human dose	6
stormwater biofilter	6
may help	6
bacterial counts	6
heterogeneous photocatalysis	6
water plaza	6
ff fe	6
exposure frequency	6
water reservoirs	6
air travel	6
among different	6
increased risk	6
high photocatalytic	6
false negative	6
including bacteria	6
clostridium botulinum	6
daily needs	6
recent decades	6
british columbia	6
relatively small	6
based filter	6
environ sci	6
fecally contaminated	6
estuarine environment	6
streptococcus faecalis	6
water managers	6
adsorbent filters	6
adsorption capacity	6
volume samples	6
quality indicators	6
phage cocktail	6
law enforcement	6
directly related	6
three major	6
low counts	6
addressing climate	6
serious concern	6
quality management	6
health organisation	6
sand filters	6
vegetables grown	6
north carolina	6
coastal seawater	6
negative charge	6
clinical samples	6
foodborne outbreaks	6
oxygen atom	6
management system	6
higher temperatures	6
rural dynamic	6
exposure factors	6
acute toxicity	6
plumbing systems	6
noncarcinogenic effects	6
nanofiber sheet	6
national research	6
cohort study	6
use planning	6
informal settlements	6
virus capture	6
indicator must	6
dermal exposure	6
viral infectivity	6
viruses within	6
dna microarrays	6
val tidone	6
industrial effluents	6
see whether	6
bacterial infections	6
economically feasible	6
contaminated surface	6
sea levels	6
maximum values	6
plant tissues	6
one study	6
low impact	6
different sources	6
change impacts	6
control studies	6
interactions among	6
people without	6
protection equipment	6
take part	6
highly pathogenic	6
two groups	6
may pose	6
us environmental	6
two segments	6
various organic	6
atp molecules	6
molecular characterization	6
step towards	6
gas exchange	6
terminal electron	6
amended soil	6
integrated water	6
anaerobic respiration	6
fi il	6
selected water	6
mo ov	6
tainted pork	6
ha filter	6
total annual	6
total virus	6
acidic conditions	6
charge distribution	6
krebs cycle	6
victorian era	6
filtration system	6
efficient method	6
ov va	6
large part	6
ph meter	6
aids epidemic	6
higher ph	6
provide important	6
naegleria fowleri	6
indoor farming	6
often referred	6
chemical concentration	6
ambient temperature	6
incubation analysis	6
membrane fouling	6
thermal stability	6
dose response	6
issues related	6
developed ones	6
resource settings	6
images captured	6
contamination may	6
lessons learned	6
method using	6
protective immunity	6
two layers	6
will occur	6
environmental microbiology	6
phytoplankton growth	6
enteric adenoviruses	6
rrna gene	6
onset times	6
government agencies	6
also observed	6
ground waters	6
hydrophobic interactions	6
sem images	6
mentioned previously	6
various techniques	6
experimental conditions	6
long distances	6
open marsh	6
provide data	6
reductive cr	6
hydrological processes	6
clean drinking	6
vacuum treatment	6
agriculture policies	6
air drying	6
infection risk	6
underground water	6
human beings	6
rapid sand	6
nanofiber membranes	6
development report	6
filter methods	6
source pollution	6
new challenges	6
treatment barriers	6
five major	6
including water	6
neutral ph	6
wet skin	6
risk assessors	6
population density	6
transmission dynamics	6
per millilitre	6
treatment step	6
fish pathogens	6
entamoeba histolytica	6
air temperature	6
microbial removal	6
vacuum chamber	6
soil materials	6
pork meat	6
factors associated	6
endangered species	6
environment may	6
viral proteins	6
powder coating	6
pcr inhibitors	6
case history	6
health association	6
yeast cells	6
may increase	6
stainless steel	6
serovar typhimurium	6
contaminated irrigation	6
improved water	6
environmental quality	6
times greater	6
vital importance	6
sample processing	6
recovering viruses	6
chemical compounds	6
positive correlation	6
water industry	6
enhanced visible	6
emergency response	6
studies performed	6
assessment tools	6
conducted using	6
stable isotope	6
reclamation systems	6
bacterial host	6
glycyrrhiza uralensis	6
substantial amount	6
managing water	6
modified atmosphere	6
clay content	6
carbonaceous materials	6
private companies	6
personal hygiene	6
pyrosequencing technology	6
preston agre	6
coliform test	6
seafood industry	6
enterococcus faecalis	6
van reis	6
may remain	6
glass fiber	6
loading rate	6
conventional farming	6
em mo	6
higher compared	6
nanostructured carbon	6
factors including	6
population health	6
transmitted helminth	6
provide water	6
media filters	6
dental procedures	6
dry toilets	6
shelf life	6
vast majority	6
cellulosic filters	6
light scattering	6
immune system	6
production methods	6
promising alternative	6
associated gastroenteritis	6
hygiene practices	6
flowing water	6
specific fecal	6
marine phages	6
environmental stress	6
fine roots	6
sampling sites	6
samples seeded	6
river flows	6
protected areas	6
manure application	6
also play	6
great salt	6
pcr amplification	6
field capacity	6
enzyme immunoassays	6
photocatalytic water	6
collected sample	6
enteric disease	6
potential contamination	6
two methods	6
research opportunities	6
operational expenses	6
nongovernmental organizations	6
water pressure	6
viral analysis	6
supplementary materials	6
fecal pathogens	6
farming system	6
significant effect	6
water effect	6
methyl orange	6
well understood	6
bacterial removal	6
spraying biscao	6
reduction factor	6
operating conditions	6
electrostatic interaction	6
resource management	6
gene probes	6
breeding sites	6
national health	6
river waters	6
pour plate	6
time required	6
laboratory media	6
human immunodeficiency	6
granular media	6
health implications	6
sodium hypochlorite	6
surrogate parameters	6
risk assessments	6
supplementary document	6
will give	6
wash interventions	6
storage reservoirs	6
chlorine levels	6
ambient conditions	6
sludge processes	6
water retention	6
graded collodion	6
inorganic nutrients	6
point sources	6
chemical contaminants	6
three gorges	6
cumulative effects	6
shellfish harvesting	6
harvesting waters	6
terrestrial bacteria	6
control study	6
iron oxide	6
also lead	6
food processing	6
marsh water	6
disease vectors	6
income areas	6
water runoff	6
south asia	6
isolation techniques	6
participatory water	6
warming climate	6
microbial diversity	6
microbicidal efficacy	6
waters may	6
pregnant women	6
urban sewage	6
considerably lower	6
high salinity	6
experimental studies	6
least days	6
adsorption onto	6
specimen collection	6
filter type	6
cm per	6
three segments	6
water collected	6
niagara escarpment	6
examples include	6
constructed wetlands	6
flow filtration	6
temperature conditions	6
disinfection activity	6
major factor	6
treatment procedures	6
carbon footprint	6
waterborne pathogen	6
resources management	6
significant amounts	6
google scholar	6
grid system	6
target organisms	6
protective devices	6
surface tension	6
treatment methods	6
broad range	6
holding capacity	6
finished water	6
cultivation area	6
original ph	6
nontreated wastewater	6
studies using	6
thin layer	6
tracking markers	6
water compared	6
intestinalis spores	6
urban ex	6
shigella spp	6
rainy season	6
environmental risk	6
photocatalytic process	6
owen falls	6
chemical characteristics	6
control board	6
microarray technology	6
pathogens including	6
community structure	6
replacer powder	6
industrialized countries	6
downstream processing	6
airborne viral	6
system dynamics	6
usually found	6
economic resources	6
many reasons	6
special attention	6
pool waters	6
agricultural use	6
particulate production	6
dried soils	6
acid sequence	6
environmental challenges	6
potential human	6
tropical regions	6
tropical countries	6
parasitic protozoa	6
salt lake	6
almost every	6
public baths	6
animal wastes	6
aerosol contamination	6
partially treated	6
viral infectious	6
fe ec	6
natural flora	6
lyme disease	6
solar light	6
disability adjusted	6
states surveillance	6
exposure data	6
diarrheal disease	6
hydrogen bonds	6
care must	6
natural gas	6
daily operation	6
coagulation ph	6
sore throat	6
assessment process	6
annual burden	6
will make	5
mansoni infection	5
water pricing	5
data suggest	5
measuring enteric	5
salable part	5
individual attributes	5
shoot ratio	5
water resource	5
people live	5
chemical processes	5
climate variability	5
precautionary measures	5
technical replicates	5
virus stability	5
gpm sq	5
parenthesis next	5
study chemical	5
volta river	5
protected lands	5
future challenges	5
reintegrating water	5
provide services	5
per gram	5
parasitic disease	5
higher concentrations	5
negative pressure	5
high technology	5
next years	5
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high numbers	5
coli strains	5
final volume	5
suspect water	5
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host country	5
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wako pure	5
age groups	5
sanitation infrastructure	5
side effects	5
early detection	5
became cloudy	5
orthodontic treatment	5
like viruses	5
wholesale price	5
water ethanol	5
poorly understood	5
provides information	5
wood piece	5
chemical methods	5
water survival	5
several years	5
aeromonas salmonicida	5
mycobacterium avium	5
fermentation technique	5
working group	5
spray syringe	5
extremely low	5
heterotrophic plate	5
salt marsh	5
solar thermal	5
humidity levels	5
tube fermentation	5
viruses onto	5
transmission route	5
der waals	5
nonintentional reuse	5
habitat restoration	5
contamination risk	5
carbon nanotube	5
income urban	5
recreational waterborne	5
marine diatom	5
additional information	5
risk estimate	5
selective medium	5
stranded rna	5
chemical exposure	5
thermotolerant coliforms	5
collect specimens	5
two water	5
soil properties	5
human diseases	5
sodium thiosulfate	5
time consuming	5
cyanobacterial blooms	5
total solids	5
aerosolized pathogens	5
target material	5
saving toilets	5
heat energy	5
industrial water	5
global change	5
coastal region	5
surface areas	5
simultaneous recovery	5
useful tool	5
microbiological water	5
potentially pathogenic	5
outbreak occurred	5
bacteria may	5
significantly increased	5
populations may	5
sequencing technology	5
top layer	5
inhalation exposure	5
water flows	5
conditioning systems	5
quality criterion	5
improved exposure	5
sequencing technologies	5
low sensitivity	5
overlying waters	5
greenhouse farming	5
quality variables	5
become infected	5
deeper soil	5
filtration membrane	5
mean values	5
associated health	5
vapor pressure	5
org est	5
thermal storage	5
sequences obtained	5
leafy vegetables	5
develop new	5
amazonian rainforest	5
concentrated water	5
efficient removal	5
wastewater sewage	5
dna sequencing	5
root system	5
water directly	5
cellulose nanofibers	5
sodium content	5
pathogens entering	5
waterborne bacterial	5
coastal ecosystems	5
possible routes	5
diseases associated	5
one major	5
salt marshes	5
reintegrate water	5
infectivity assays	5
plus lab	5
qmra approach	5
placing reserves	5
limited number	5
potential waterborne	5
effluent treatment	5
based materials	5
deionized water	5
multiple pathogens	5
preprocedural mouth	5
nutritional interventions	5
electrochemical disinfection	5
particular interest	5
burkina faso	5
buffer zones	5
water intended	5
adaptation strategy	5
total population	5
several methods	5
cfr parts	5
viral assay	5
aligner treatment	5
climate control	5
hole pairs	5
graywater reuse	5
particles contained	5
many places	5