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
face masks	566
face mask	529
surgical masks	435
cloth masks	287
mask use	268
surgical mask	257
health care	251
healthcare workers	247
protective equipment	227
filtration efficiency	222
medical masks	202
personal protective	183
mask wearing	175
public health	174
author funder	173
granted medrxiv	173
copyright holder	156
hand hygiene	155
wearing masks	153
mask mandates	150
acute respiratory	137
version posted	133
care workers	132
coronavirus disease	130
systematic review	130
respiratory protection	127
peer review	126
respiratory syndrome	124
severe acute	111
doc id	107
cord uid	107
rights reserved	106
medrxiv preprint	106
novel coronavirus	103
made available	102
infection control	96
social distancing	96
international license	94
universal masking	93
general public	89
world health	89
infectious diseases	88
mask mandate	79
health organization	75
case growth	74
wear masks	74
mask group	70
respiratory droplets	68
united states	68
airborne transmission	67
respiratory infections	66
mask usage	65
allowed without	64
without permission	64
reuse allowed	64
disease control	63
particle size	62
general population	62
surgical face	61
healthcare settings	58
posted april	57
fit test	56
hong kong	54
sars cov	53
respiratory virus	53
influenza virus	53
medical mask	53
face coverings	52
syndrome coronavirus	51
hand disinfection	50
respiratory viruses	50
fit factor	49
masks may	49
fit testing	49
filtration efficiencies	49
pressure drop	48
filtration efficacy	47
influenza pandemic	47
source control	47
statistically significant	46
flow rate	45
respiratory tract	45
homemade masks	45
cloth face	44
respiratory infection	44
different types	43
filtering facepiece	43
cloth mask	42
infection prevention	41
pandemic influenza	41
oral flora	40
intravitreal injection	40
infectious disease	40
bacterial dispersion	39
eye protection	38
facial protection	38
health workers	38
randomised controlled	37
controlled trials	37
new york	37
talking group	36
air pollution	36
respirator use	36
viral aerosol	36
virus transmission	36
size range	36
intravitreal injections	36
hydrogen peroxide	35
posted september	35
flow rates	35
filtration performance	35
facepiece respirators	34
significant difference	34
emergency department	34
filter material	33
mask may	33
face shields	32
particle sizes	32
physical distancing	32
reproduction number	31
protective masks	31
facial skin	31
like illness	31
risk factors	30
care settings	30
size distribution	30
sodium hypochlorite	30
generating procedures	30
among health	30
growth rate	30
randomized controlled	29
fitting face	29
influenza transmission	29
protective mask	29
preventing influenza	29
mask recognition	28
infected person	28
exhaled air	28
randomized trial	28
health professionals	28
may also	28
mask material	28
infected patients	28
respiratory illness	28
droplet nuclei	28
exhaled breath	28
viral load	27
extended use	27
aerosol particles	27
nonrebreathing mask	27
aerosol transmission	27
seasonal influenza	27
face velocity	27
tidal breathing	27
controlled trial	27
airborne particles	27
community settings	26
pharmaceutical interventions	26
rational use	26
authors declare	26
direct contact	26
mask performance	26
healthcare professionals	26
mask type	26
wearing face	26
protection factor	26
infected individuals	26
infectious agents	25
daily growth	25
dry heat	25
respiratory diseases	24
incubation period	24
infection rates	24
respiratory protective	24
glove use	24
commercially available	24
mask without	24
control group	23
community pharmacies	23
disease transmission	23
masks compared	23
sample size	23
higher risk	23
outward protection	23
subjects wearing	23
occupational safety	23
masks reduce	23
facial expressions	23
mask perceptions	23
reusable masks	23
clinical trial	23
ppe use	23
high risk	23
masks worn	23
surface area	23
nan doi	23
interim guidance	23
observational studies	22
protection factors	22
cluster randomized	22
large droplets	22
negative pressure	22
influenza infection	22
randomized clinical	22
control measures	22
weekly case	22
clinical trials	22
personal data	22
influenza among	22
aerosol filtration	22
face fit	22
droplet transmission	21
mask design	21
medical staff	21
emerging infectious	21
particle counter	21
pore size	21
particle concentrations	21
medical grade	21
wear face	21
ffp masks	21
chin valve	21
hand washing	21
particle concentration	21
care facilities	21
sars outbreak	21
mask effectiveness	20
significant differences	20
face covering	20
face shield	20
person transmission	20
national institute	20
influenza season	20
many countries	20
skin temperature	20
mask policy	20
droplet infection	20
young adults	20
respiratory pathogens	20
term care	20
physical interventions	19
included studies	19
botulinum toxin	19
healthcare setting	19
public places	19
masks used	19
mask coverage	19
cluster randomised	19
clinical practice	19
pollution mask	19
droplet spread	19
respirator masks	19
injection endophthalmitis	19
close contact	19
public spaces	19
airflow resistance	19
prevent influenza	19
confirmed cases	19
transmission dynamics	19
study showed	19
virus shedding	19
filtering face	19
snorkel mask	19
elastomeric respirators	18
mask designs	18
global health	18
made masks	18
adhesive tape	18
sick patients	18
facial expression	18
pressure injury	18
reduce exposure	18
purifying respirators	18
risk settings	18
south korea	18
middle east	18
use masks	18
infections among	18
data collection	18
virus particles	18
randomised trial	18
scientific evidence	18
weekly cases	18
viral infections	18
upper respiratory	18
viral transmission	17
global pandemic	17
particle filtration	17
intensive care	17
speech scenarios	17
medical face	17
among young	17
privacy preservation	17
two different	17
particle penetration	17
common hand	17
see table	17
associated endophthalmitis	17
viral particles	17
mass flow	17
care personnel	17
systematic reviews	17
clinical studies	17
future research	17
virus infection	16
effective reproduction	16
posted november	16
study period	16
protective devices	16
without tape	16
universal face	16
protection level	16
reduce transmission	16
available evidence	16
slit lamp	16
surface stability	16
protective effect	16
patient care	16
particulate matter	16
even though	16
disease prevention	16
confirmed influenza	16
healthcare worker	16
growth rates	16
one study	16
viral respiratory	15
airborne viruses	15
airborne infection	15
masks made	15
talking policy	15
using face	15
hospitalized patients	15
group compared	15
may reduce	15
three different	15
small particles	15
per day	15
powered air	15
may increase	15
correct use	15
remain suspended	15
short supply	15
widely used	15
air samples	15
contact tracing	15
collective interest	15
per million	15
significantly lower	15
respiratory masks	15
dolfino frontier	15
human subjects	15
environmental contamination	15
preventive measures	15
ambient air	15
many people	15
provide protection	15
prior studies	15
filtering efficiency	15
nosocomial transmission	15
routine care	15
ffp respirators	14
licorice root	14
respirators versus	14
readily available	14
informed consent	14
standard errors	14
large number	14
mask types	14
coronavirus outbreak	14
east respiratory	14
larger particles	14
population density	14
aerosol generating	14
intervention trial	14
reducing transmission	14
age groups	14
among healthcare	14
mask wear	14
physician face	14
clinical respiratory	14
time trend	14
face velocities	14
mask surface	14
infection risk	14
full text	14
commonly used	14
community transmission	14
personal protection	14
critical care	14
infectious respiratory	14
protection devices	14
public settings	14
transmission routes	14
prevent person	14
infectious particles	14
results show	14
viral shedding	14
endophthalmitis cases	14
indoor mask	14
randomized intervention	14
health officials	14
healthcare personnel	14
supply chain	14
present study	14
bacterial filtration	14
per week	14
expiratory flow	14
respiratory viral	14
environmental conditions	13
mask requirements	13
deaths per	13
negative emotions	13
also known	13
staff members	13
particle mass	13
community setting	13
quantitative fit	13
talking scenario	13
optimal use	13
public transport	13
small droplets	13
dental care	13
baseline model	13
respiratory disease	13
daily case	13
many studies	13
without mask	13
air purifying	13
materials used	13
based sanitizers	13
flow field	13
less effective	13
cohort study	13
table shows	13
respiratory symptoms	13
fabrics used	13
face piece	13
recent study	13
older adults	13
decontamination interventions	13
mask fit	13
name system	13
recent studies	13
growth factor	13
protecting health	13
mask pieces	13
ffp mask	13
mask will	13
use may	13
mask adoption	13
decontamination methods	13
face seal	13
asian countries	13
cotton cloth	13
reusable face	12
new cases	12
ultraviolet germicidal	12
data set	12
endothelial growth	12
sodium chloride	12
size particles	12
prevent transmission	12
injury prevention	12
air quality	12
object detection	12
two weeks	12
national health	12
perform hand	12
population wearing	12
masks using	12
social norms	12
basic reproduction	12
care worker	12
alcohol vapor	12
cfu ml	12
transmitted via	12
wore masks	12
simple respiratory	12
air permeability	12
submitted work	12
years old	12
total number	12
observational study	12
current covid	12
turbulent gas	12
smoking bans	12
results suggest	12
future studies	12
hearing loss	12
studies reported	12
fit tests	12
care providers	12
wuhan hospitals	12
type i	12
high flow	12
occupational health	12
video streams	12
available data	12
protect others	12
significant effect	12
pressure drops	12
filtering capacity	12
medical personnel	12
people wearing	12
false sense	12
homemade cloth	12
germicidal irradiation	12
carbon dioxide	12
grade masks	12
toward mask	12
reported mask	12
limited reuse	12
mask arm	12
accepted article	12
new coronavirus	12
novo headache	12
pla material	12
risk reduction	12
better protection	12
health promotion	12
significantly higher	12
clinical setting	12
confirmed covid	12
study found	12
another limitation	12
intravitreal anti	11
several studies	11
differential pressure	11
statistical analysis	11
porous media	11
inward protection	11
may result	11
strict lockdown	11
significantly reduced	11
healthcare providers	11
pla masks	11
optimal ppe	11
financial relationships	11
bacterial growth	11
symptom onset	11
wears masks	11
outer surface	11
mean difference	11
text review	11
per capita	11
protection equipment	11
tested masks	11
snorkel masks	11
data sets	11
healthcare systems	11
high velocity	11
vascular endothelial	11
cumulative cases	11
mask containers	11
another study	11
control arm	11
risk procedures	11
reusable elastomeric	11
mask area	11
may provide	11
online supplementary	11
made face	11
national academy	11
common fabric	11
filtering mask	11
influenza viruses	11
cotton mask	11
aerosol size	11
common fabrics	11
masking culture	11
fabric materials	11
respirator fit	11
policy measures	11
fit factors	11
mask adaptor	11
multiple layers	11
ci ae	11
visual acuity	11
mask production	11
smaller particles	11
nonmedical masks	11
face touching	11
coronavirus pandemic	11
nm size	11
health protection	11
superior portion	11
simulated intravitreal	11
nm particles	11
may occur	11
factor analysis	11
infected patient	11
transmission rate	11
cotton masks	11
option centralized	11
study suggests	11
skin types	11
supplementary material	11
log reduction	11
respiratory pathogen	11
policy makers	11
pandemic date	11
sectional study	11
lagged cases	11
trial comparing	11
medical devices	11
current pandemic	11
versus surgical	11
past behaviour	10
disinfection methods	10
million people	10
viral filter	10
patient face	10
fitting mask	10
adsorbed water	10
volume flow	10
potential implications	10
option decentralized	10
protective face	10
competing interests	10
artificial intelligence	10
use face	10
significant reduction	10
respiratory mask	10
patients infected	10
vast majority	10
respirator mask	10
hospital setting	10
current evidence	10
business gathering	10
respiratory event	10
facial temperature	10
infection rate	10
literature review	10
co buildup	10
droplets may	10
also found	10
hospital infection	10
sars coronavirus	10
health authorities	10
staff member	10
indoor environments	10
aerosol concentrations	10
effective protection	10
mask materials	10
particles smaller	10
significantly different	10
significant impact	10
ongoing covid	10
cruise ship	10
supporting information	10
study evaluated	10
school closures	10
post hoc	10
pathogen emissions	10
york state	10
health organisation	10
routine use	10
mask using	10
preventing transmission	10
endophthalmitis following	10
continuous use	10
peak daily	10
particle dispersion	10
particle generator	10
public mask	10
infected people	10
respiratory infectious	10
isolation function	10
confidence intervals	10
mask seal	10
sars patients	10
healthcare facilities	10
emergency departments	10
gas clouds	10
flow oxygen	10
respiratory jets	10
air exchange	10
analyzed using	10
asymptomatic individuals	10
per minute	10
time period	10
aerosol particle	10
contact rate	10
wild bootstrap	10
precautionary measures	10
patient contact	10
printed pla	10
sars transmission	10
american society	10
multivariate analysis	10
highly effective	10
sars among	10
washington state	10
staphylococcus aureus	10
ethanol solution	10
pressure mask	10
determine whether	10
minute ventilation	10
close proximity	9
mask efficacy	9
nonpharmaceutical interventions	9
fatality rate	9
particulate respirator	9
tpi cotton	9
behaviour proxy	9
aerosol generation	9
treat analysis	9
respirators provide	9
significance level	9
available online	9
google scholar	9
positive endophthalmitis	9
drop across	9
ppe shortage	9
droplet infections	9
mask efficiency	9
logistic regression	9
inclusion criteria	9
video surveillance	9
filter performance	9
rapid screening	9
infectious individuals	9
filter efficiency	9
health emergency	9
novel influenza	9
prevent respiratory	9
distancing measures	9
care unit	9
using alcohol	9
particle filtering	9
air sampling	9
clinical settings	9
proper use	9
best available	9
inhalable aerosols	9
long periods	9
dummy head	9
face detector	9
mask testing	9
high performance	9
airborne dispersion	9
tsi portacount	9
unmasked faces	9
mass masking	9
nasal cannula	9
close contacts	9
health insurance	9
drug administration	9
mask conditions	9
mask real	9
cumulative number	9
increased risk	9
hygiene practices	9
evidence suggests	9
machine learning	9
experimental studies	9
protection efficiency	9
disease outbreaks	9
per hour	9
water molecules	9
reduce covid	9
masks respirators	9
forming units	9
short period	9
without masking	9
facial protective	9
care professionals	9
skin protection	9
mask vs	9
common cold	9
lactic acid	9
relative risk	9
index case	9
exhalation valve	9
higher percentage	9
elastic bands	9
care units	9
standard precautions	9
avian influenza	9
short term	9
chemical disinfectants	9
raw data	9
republican governors	9
adverse effects	9
wearing surgical	9
pla structure	9
level data	9
clinical efficacy	9
computer vision	9
relative humidity	9
van der	9
exposure time	9
confidence interval	9
community use	9
daily covid	9
mechanical turk	9
transmission among	9
seir model	9
studies showed	9
home made	9
prolonged use	9
infection transmission	9
virus spread	9
larger droplets	9
previous studies	9
patients may	9
mask respirator	9
two studies	9
posted july	9
higher rates	9
standard deviation	9
sample period	9
commonly available	9
study design	9
sars epidemic	9
factors associated	9
college students	9
may remain	9
made mask	9
may contain	8
respiratory failure	8
fit tested	8
germicidal effects	8
posted june	8
half masks	8
two minutes	8
average daily	8
among hcws	8
attitudes toward	8
months follow	8
aerosol dispersion	8
filtration test	8
dental practice	8
risk areas	8
behaviour change	8
healthy volunteers	8
effective masks	8
respiratory distress	8
human exhalation	8
viral exposure	8
adequate protection	8
covid statepolicy	8
without masks	8
hcws exposed	8
surgical facemask	8
interest treatment	8
data file	8
income countries	8
use among	8
rapid spread	8
calculated using	8
will also	8
droplets onto	8
temperature changes	8
weeks prior	8
influenza vaccination	8
nose covers	8
skin type	8
steady state	8
flow velocity	8
mask filtration	8
york times	8
comparing fit	8
care setting	8
point scale	8
important role	8
environmental factors	8
image data	8
wide range	8
odds ratio	8
filtering half	8
aerosol generator	8
ae versus	8
outer layer	8
previously described	8
within hours	8
death rate	8
portacount pro	8
protective measures	8
asymptomatic carriers	8
masks showed	8
much protection	8
household detergent	8
analysis found	8
mask reuse	8
operating theatre	8
people wear	8
face snorkel	8
helps us	8
flow resistance	8
appropriate use	8
agent based	8
scoping review	8
test methods	8
exhalation simulator	8
disposable surgical	8
masks without	8
potentially infectious	8
following intravitreal	8
different masks	8
ansys fluent	8
health system	8
exhaled droplets	8
percentage points	8
tracer particles	8
cpr mask	8
hospital settings	8
czech republic	8
filtering properties	8
covid pandemic	8
two groups	8
test aerosol	8
european standard	8
health personnel	8
peroxide vapor	8
diamond princess	8
based transmission	8
least squares	8
perioral region	8
social distance	8
aerosol penetration	8
clinical features	8
respirable aerosols	8
european centre	8
preprint table	8
epidemiological studies	8
cases per	8
fitting surgical	8
healthcare system	8
based models	8
statistical significance	8
cubic time	8
aerosol droplets	8
information variables	8
city hall	8
early universal	8
significant protection	8
simple surgical	8
performed using	8
particle distribution	8
pla filaments	8
face respirators	8
data analysis	8
potential confounders	8
co accumulation	8
several hours	8
critically ill	8
available masks	8
significantly reduce	8
widely available	8
fixed effects	8
mask base	8
surface contamination	8
two layers	8
clinical staff	8
help slow	8
virus aerosols	8
united kingdom	8
filter surface	8
filter holder	8
virus disease	8
infected persons	8
face recognition	8
least one	8
family members	8
via respiratory	8
primary outcome	8
vacuum cleaner	8
simple mouth	8
pandemic planning	8
mask wearers	8
household materials	8
isolation rooms	8
control recommendations	8
human respiratory	8
varying degrees	8
level mandates	8
case fatality	8
two types	8
health policy	8
two authors	8
transmission via	8
respiratory cloth	8
evidence base	8
agar plates	8
frontier mask	8
droplet sizes	8
findings suggest	8
personal respirators	8
much less	8
sized particles	8
retail stores	8
materials tester	8
operating room	8
much higher	8
natural silk	8
simulated epidemics	8
mask detection	8
illness among	8
filtration capacity	8
mask compared	8
air flow	8
experimental setup	8
adopt mask	8
universal precautions	8
health agency	8
state policy	8
princess cruise	8
financial support	8
contact transmission	7
medical center	7
i surgical	7
mask used	7
person coughs	7
protective function	7
review board	7
mitigation strategies	7
climate change	7
patient encounters	7
facepiece respirator	7
homemade face	7
simple mask	7
hospital level	7
droplet dispersion	7
ventilation systems	7
remain airborne	7
rapid systematic	7
protection conferred	7
small number	7
associated infection	7
hour period	7
ebola virus	7
body temperature	7
cumulative deaths	7
moist heat	7
masks will	7
intervention arms	7
transmission may	7
influenza patients	7
institutional review	7
death growth	7
single use	7
contact dermatitis	7
frontline healthcare	7
optimal mask	7
fluid dynamics	7
respiratory droplet	7
significantly fewer	7
regression analysis	7
masks produced	7
inhaled air	7
test conditions	7
rural areas	7
healthy individuals	7
aerosol concentration	7
risk assessment	7
long distances	7
pilot study	7
masks tested	7
intervention functions	7
purifying respirator	7
masks might	7
deep learning	7
protective gear	7
asked questions	7
currently available	7
effect size	7
surgical wrap	7
urban china	7
droplets expelled	7
based surveillance	7
respiratory system	7
case study	7
masks available	7
using surgical	7
theoretical models	7
blood agar	7
prolonged wearing	7
viral loads	7
aerosolized particles	7
hygiene alone	7
smaller droplets	7
cardiopulmonary resuscitation	7
nacl aerosol	7
measured using	7
printed mask	7
respirator filtration	7
experimental study	7
mechanical properties	7
data source	7
leakage around	7
travel restrictions	7
baseline specification	7
social norm	7
per mask	7
different countries	7
square test	7
mask models	7
inner layer	7
previous study	7
silica sol	7
transmissible viruses	7
new covid	7
ai performance	7
wearing behavior	7
flow meter	7
term experiment	7
outcome measures	7
good protection	7
inertial impaction	7
scanning electron	7
poor compliance	7
may lead	7
review date	7
clinical characteristics	7
used different	7
protect healthcare	7
policy source	7
material used	7
hme filter	7
potential exposure	7
research team	7
sinus surgery	7
electron microscopy	7
polylactic acid	7
droplets due	7
catalogue number	7
qualitative fit	7
including masks	7
particle count	7
mask shortages	7
standard surgical	7
well people	7
airborne infections	7
participants reported	7
peak expiratory	7
test specimen	7
optical particle	7
cfus compared	7
current study	7
studies evaluated	7
attack rate	7
health measures	7
widespread use	7
isolation precautions	7
age group	7
similar results	7
custom adapter	7
opening period	7
north american	7
four weeks	7
size distributions	7
simulation results	7
natural ventilation	7
respiratory aerosols	7
mask made	7
endotracheal intubation	7
citizen ideology	7
case report	7
potential risk	7
facial hair	7
intrinsic impedance	7
critical review	7
filter section	7
physical characteristics	7
droplets produced	7
short time	7
bacterial viral	7
dosage received	7
infectious patients	7
human breathing	7
mouth chamber	7
precautionary principle	7
public awareness	7
respirators vs	7
ox mask	7
public transportation	7
less likely	7
mathematical modeling	7
filtration layer	7
data collected	7
speech scenario	7
breath level	7
health sciences	7
three studies	7
fewer cfus	7
respiratory transmissible	7
mask layer	7
coronavirus infections	7
human lives	7
airflow rate	7
without wearing	7
skin damage	7
decontamination protocols	7
exposed individuals	7
masks among	7
endoscopic sinus	7
small airborne	7
body fluids	7
frequently asked	7
regarding mask	7
human transmission	7
masks per	7
generated aerosol	7
clinical microbiology	7
results obtained	7
health interventions	6
surgical procedures	6
publicly available	6
facial masks	6
ce chamber	6
independent variables	6
health behaviors	6
ultraviolet light	6
cloth facemasks	6
different mask	6
trial id	6
total numbers	6
human coronavirus	6
ipc practices	6
phu level	6
british columbia	6
infectious droplets	6
provide adequate	6
small numbers	6
mechanical ventilation	6
search strategy	6
face contact	6
duchenne smile	6
exposure risk	6
low cost	6
will continue	6
respir viruses	6
transmission route	6
particles produced	6
direct comparison	6
face protection	6
may explain	6
ethylene oxide	6
mask supply	6
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oxygen therapy	6
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instant hand	6
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level respectively	6
masking cultures	6
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ae hours	6
least minutes	6
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facial fit	6
filter materials	6
may help	6
human influenza	6
high demand	6
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lancet infectious	6
surface tension	6
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east asia	6
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psychological reasons	6
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planned behaviour	6
stage detectors	6
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transmission potential	6
better understanding	6
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based precautions	6
respirators compared	6
equipment contamination	6
aerodynamic analysis	6
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provide respiratory	6
human exhaled	6
global shortage	6
standard test	6
may cause	6
protective dressing	6
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i health	6
particularly important	6
van doremalen	6
healthy people	6
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community members	6
scientific literature	6
current article	6
homemade mask	6
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daily percent	6
three times	6
physical barrier	6
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acute influenza	6
pla carriers	6
printing community	6
virus may	6
six months	6
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proper seal	6
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mixing chamber	6
nm range	6
two new	6
efficiency testing	6
blurring factor	6
viral infection	6
east asian	6
surface environmental	6
across mask	6
prevention strategies	6
relatively small	6
right panel	6
different fabrics	6
target behaviour	6
masculine toughness	6
bacterial colonisation	6
one hand	6
nearly universal	6
respiratory syncytial	6
health prevention	6
one another	6
weekly death	6
mm hg	6
second wave	6
greatly reduced	6
preventive behaviours	6
one person	6
will become	6
mask provides	6
mask policies	6
recent systematic	6
filtering respirators	6
sick people	6
studies evaluating	6
implementation date	6
decathlon mask	6
infection among	6
several advantages	6
supply chains	6
air leakage	6
table i	6
contact precautions	6
variation across	6
mask estimate	6
hospital healthcare	6
lower levels	6
personal hygiene	6
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eye chamber	6
testing setup	6
given flow	6
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factors may	6
hospital ward	6
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droplet precautions	6
error bars	6
recommendation regarding	6
cost effective	6
respiratory illnesses	6
offer protection	6
symptomatic patient	6
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may need	6
high viral	6
international guidelines	6
urban households	6
ear loop	6
health risks	6
infected pneumonia	6
greater protection	6
computational fluid	6
quantitative assessment	6
laboratory studies	6
antimicrobial resistance	6
respiratory support	6
rna concentration	6
versus ae	6
attack rates	6
cross section	6
talking scenarios	6
skin injury	6
model used	6
increase mask	6
may affect	6
mp chamber	6
syncytial virus	6
see section	6
significant risk	6
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improper use	6
also included	6
theoretical domains	6
ontario analysis	6
report estimates	6
studies suggest	6
droplet size	6
lower risk	6
data obtained	6
atraumatic silicone	6
transmitted infections	6
per person	6
health crisis	6
two wuhan	6
patient safety	6
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mask decontamination	6
exploratory factor	6
uvc irradiation	6
polypropylene fibers	6
fit tester	6
republican governor	6
airborne spread	6
errors clustered	6
health avoided	6
silver nanoparticles	6
filter effect	6
cotton quilt	6
preventing respiratory	6
fluid phase	6
pooled analysis	6
moving average	6
will likely	6
better understand	6
mask classifier	6
provide effective	6
mask shape	6
protection masks	6
panel assumes	6
ethics committee	6
previously reported	6
policy indicators	6
lower face	6
air currents	6
glove finger	6
without compromising	6
may actually	6
longer time	6
public wear	6
surface showed	6
survey data	6
frontline workers	6
phage sm	6
wide mask	6
real time	6
narrative review	6
particulate filtration	6
cm sec	6
water aerosol	6
quaternary ammonium	6
wearing compliance	6
available resources	6
total population	6
viral cultures	6
vs medical	6
will allow	6
model suggests	6
health management	6
half mask	6
total volume	6
symptomatic patients	6
viral pandemic	6
provide good	6
recent literature	6
temporal dynamics	6
resting ventilation	6
two trials	6
policy aggregates	6
elastomeric respirator	6
dispersion control	6
electric field	6
per month	6
trial found	6
universal mask	6
way valve	6
mask applied	6
preliminary findings	6
surgical facemasks	6
item list	6
week fixed	6
isopropyl alcohol	6
high filtration	6
individuals wearing	6
tested positive	6
reflective motivation	6
air flows	6
preventative measures	5
canadian provinces	5
current respiratory	5
effective use	5
viruses doi	5
current guidelines	5
primary headache	5
confirmed viral	5
resistant staphylococcus	5
analysis using	5
including face	5
med res	5
i think	5
hospital personnel	5
laser particle	5
size ranges	5
taiwanese government	5
relatively low	5
threads per	5
emotional perception	5
five decontamination	5
requiring masks	5
negative reactions	5
asymptomatic patients	5
filter influenza	5
government officials	5
speech signal	5
overall fit	5
respiratory secretions	5
particle meters	5
microplastic pollution	5
emerging viral	5
showed significantly	5
known contact	5
contagious nature	5
reducing airborne	5
sizes ranging	5
cggap desf	5
breathing flow	5
flow nasal	5
injection administration	5
pall ultipor	5
ffp ffp	5
silicone border	5
significantly correlated	5
behavioral proxy	5
estimated effect	5
protection measures	5
previous research	5
various masks	5
title abstract	5
please cite	5
masking orders	5
facial mask	5
particles passing	5
jurisdictional claims	5
research ethics	5
ml min	5
regarding face	5
sick patient	5
simple masks	5
rubber band	5
will lead	5
limited supplies	5
risk factor	5
exclusion criteria	5
international travel	5
using either	5
american dental	5
factor agents	5
individual variation	5
therefore important	5
electrostatic interactions	5
outer borders	5
total particle	5
clearly visible	5
also tested	5
particulate air	5
airborne pathogens	5
clinical use	5
worth noting	5
supplementary table	5
moisture build	5
particle release	5
significant interaction	5
community pharmacy	5
people wore	5
using sem	5
academic medical	5
two main	5
limited data	5
lancet respiratory	5
behavioural intention	5
establishing public	5
speech intelligibility	5
procedure mask	5
long term	5
hand sanitiser	5
source chamber	5
risks associated	5
last follow	5
workers treating	5
north america	5
natural experiment	5
indoor air	5
steam sterilization	5
environmentally friendly	5
masks placed	5
relative efficacy	5
air drying	5
may change	5
disposable face	5
new theoretical	5
coronavirus transmission	5
duty cycle	5
test system	5
patient rooms	5
worn continually	5
persons without	5
droplet reduction	5
saps ms	5
mask components	5
search terms	5
statistical power	5
cdc recommends	5
early transmission	5
amongst healthcare	5
dead space	5
six feet	5
three layers	5
may degrade	5
incident covid	5
see appendix	5
breathing resistance	5
strongly recommended	5
significant community	5
water droplets	5
acute care	5
expiratory events	5
instrument valve	5
van den	5
sir model	5
factors influencing	5
care medicine	5
crowded places	5
lower rates	5
springer nature	5
small sample	5
results indicate	5
institutional affiliations	5
nine hospitals	5
sterilized masks	5
pandemic covid	5
disinfection treatments	5
blocking sars	5
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consecutive days	5
outcome variable	5
care provider	5
next generation	5
new zealand	5
cochrane library	5
health doi	5
influenza like	5
times per	5
published studies	5
person wearing	5
ill patients	5
data protection	5
closing period	5
social scientists	5
herd immunity	5
org article	5
study demonstrates	5
test failure	5
encourage face	5
filter layer	5
inappropriate use	5
facial seal	5
standard testing	5
public indoor	5
particle diameter	5
study shows	5
first step	5
relative importance	5
going forward	5
state mandates	5
qualitative study	5
human cough	5
per inch	5
highly infectious	5
recognition service	5
national analysis	5
elastomeric mask	5
turbulent jet	5
care homes	5
published maps	5
higher level	5
epidemiologic outcomes	5
severe shortages	5
mask shortage	5
th percentile	5
two pathways	5
statewide mask	5
european countries	5
filter masks	5
remains neutral	5
obstructing respiratory	5
recharging method	5
fitting masks	5
protect hcws	5
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tested arm	5
using powered	5
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isolation trolleys	5
optimal glove	5
public opinion	5
smaller aerosols	5
taking value	5
public may	5
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average va	5
precaution recommendations	5
wound infections	5
study results	5
targeted use	5
mask must	5
rubber stopper	5
appropriate mask	5
new guidelines	5
population health	5
yeast fungus	5
desf saps	5
test method	5
anesthesia circuit	5
will provide	5
healthcare quality	5
increasing number	5
case studies	5
small fraction	5
healthy subjects	5
collective action	5
particle sizer	5
hospital wards	5
transmission mode	5
cloth sample	5
aerosolized air	5
population will	5
shedding observed	5
voice loudness	5
sars infection	5
test set	5
room ventilation	5
evaluated using	5
surgical field	5
skin reactions	5
also observed	5
distance rules	5
pandemic epidemic	5
smallest droplets	5
border dressing	5
mean score	5
studies using	5
much lower	5
workers may	5
financial costs	5
variable taking	5
high levels	5
simulated patient	5
particle diameters	5
di water	5
personal respiratory	5
advisory panel	5
group vs	5
biocidal agents	5
tabletop microphone	5
risk perception	5
visual outcomes	5
masks must	5
medical device	5
week period	5
light distribution	5
relatively short	5
standard operating	5
chinese center	5
community mask	5
ipd meta	5
frequently used	5
speaking without	5
public policy	5
significantly worse	5
numbered columns	5
airborne droplets	5
exhaled particles	5
estimated age	5
seal around	5
abm simulation	5
air stream	5
gap size	5
last days	5
virus deactivation	5
methods used	5
infrared imaging	5
short distance	5
review articles	5
extremely important	5
antimicrobial properties	5
neck surgery	5
grocery stores	5
infection via	5
primary care	5
greater risk	5
relative benefit	5
vaporized hydrogen	5
mask sterilization	5
save lives	5
microbiology reviews	5
different flow	5
research council	5
filter media	5
airborne precautions	5
factor structure	5
pathogen load	5
open access	5
previous work	5
chronic kidney	5
causing covid	5
collected data	5
using ppe	5
planned behavior	5
average filtration	5
sourcing personal	5
local hospital	5
coronavirus infection	5
potential source	5
positive emotions	5
full face	5
speech increase	5
theatre staff	5
behavioural change	5
endophthalmitis occurred	5
infected individual	5
study aims	5
kidney patients	5
clinical effectiveness	5
situation report	5
facial mimicry	5
care hospital	5
ecological study	5
times higher	5
current situation	5
population wears	5
highly contagious	5
dental association	5
mask groups	5
prolonged periods	5
among patients	5
critical supply	5
mask options	5
epidemic control	5
amoy gardens	5
thermal infrared	5
masks provided	5
water column	5
sick leave	5
neural network	5
immune response	5
symptomatic individuals	5
following criteria	5
every day	5
masculine norms	5
evidence review	5
university hospital	5
additional information	5
survey question	5
vitro study	5
flow dynamics	5
mask filter	5
moving averages	5
hubei province	5
log points	5
hermetic seal	5
tightly fitted	5
smear infection	5
normal breathing	5
fitzpatrick skin	5
waste bin	5
state mandate	5
gauze mask	5
worker protection	5
invasive procedures	5
seal checks	5
ipc precaution	5
lower half	5
particle testing	5
mask captures	5
washing machine	5
pandemic preparedness	5
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care nurses	5
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remain viable	5
simulation model	5
replace log	5
large scale	5
counterfactual policy	5
aerosol sizes	5
bottom half	5
reported covid	5
may offer	5
influenza epidemic	5
sample weights	5
may even	5
reference lists	5
another important	5
percentage reduction	5
virus detection	5
various disinfection	5
pla surface	5
main text	5
air filtration	5
workplace protection	5
final version	5
control studies	5
recently published	5
airborne lifetime	5
fume hood	5
next section	5
many times	5
spectral tilt	5
two months	5
mask wearer	5
across different	5
epidemic preparedness	5
study reported	5
clinical study	5
study also	5
test machine	5
pars plana	5
mandatory mask	5
ear loops	5
may limit	5
using standard	5
respiratory symptom	5
inanimate surfaces	5
escherichia coli	5
among hospital	5
studies published	5
leak tests	5
different respirator	5
exhalation breath	5
mask outside	5
average number	5
likely due	5
image classification	5
flow impedance	5
nan sha	5
reproduction numbers	5
binary variable	5
subea decathlon	5
masking policy	5
background noise	5
following equation	5
fighting sars	5
virus causing	5
ipc measures	5
authors independently	5
research shows	5
various scenarios	5
thermal discomfort	5
aerosolised particles	5
consistently lower	5
particularly relevant	5
given mask	5
inspired co	5
luminaires plane	5
global spread	5
several days	5
loose fitting	5
spread beyond	5
universal use	5
several limitations	5
becoming infected	5
nature remains	5
waste management	5
short distances	5
care system	5
based approach	5
may influence	5
prevention measures	5
quantitative analysis	5
marginal effect	5
cough aerosol	5
domains framework	5
respiratory isolation	5
masks use	5
studies may	5
masks alone	5
multiple patients	5
household textiles	5
aerosols produced	5
human speech	5
positive pressure	5
daily death	5
different levels	5
mask removal	5
human beings	5
one mask	5
pass level	5
mortality data	5
pathogen transmission	5
findings may	5
deep neural	5
health benefits	5
may become	5
allows us	5
elastomeric masks	5
averaged across	5
ppe recommendations	5
daily deaths	5
video stream	5
masks due	5
masks date	5
people may	5
clean water	5
protective goggles	5
root membrane	5
compressed air	5
among critical	5
new infections	5
discrete measurement	4
tertiary care	4
factor results	4
studies used	4
factors measured	4
droplets spread	4
sensitivity analyses	4
study included	4
subtractive manufacturing	4
flow control	4
benchmark masks	4
nt per	4
good fit	4
viral illnesses	4
cases compared	4
frontline health	4
help reduce	4
layered cotton	4
boundary conditions	4
like sars	4
polydisperse aerosol	4
related differences	4
public policies	4
prevent spread	4
indoor space	4
policy gaps	4
mask condition	4
particles larger	4
droplet dispersal	4
work shift	4
niosh threshold	4
infected respiratory	4
viral diseases	4
randomized control	4
treatment groups	4
mouth masks	4
agar plate	4
fundamental protection	4
positive air	4
body lockdown	4
decision making	4
based hand	4
japanese people	4
index patient	4
effect logistic	4
patients wearing	4
initial dates	4
practice patterns	4
silk hybrid	4
one hour	4
heart rate	4
masks even	4
us states	4
random effect	4
via droplets	4
comprehensive approach	4
consistently wore	4
additional file	4
microbial spectrum	4
masks need	4
expiratory activities	4
without coming	4
affective responses	4
kong risk	4
serological testing	4
filter testing	4
best overall	4
may vary	4
size bins	4
three hours	4
associated infections	4
health preparedness	4
hygiene compliance	4
criterion standard	4
lamp examination	4
pms sensor	4
relatively high	4
cfd simulation	4
full body	4
human participants	4
source term	4
soapy water	4
equipment including	4
effective intervention	4
face elastomeric	4
possibly due	4
droplets containing	4
guidelines recommend	4
correct mask	4
matter exposure	4
intervention strategy	4
masks incorrectly	4
aerodynamic diameter	4
repeat columns	4
preventive measure	4
staff reported	4
hand side	4
local governments	4
airborne route	4
upper airway	4
health strategy	4
pandemic spread	4
repeated use	4
panic buying	4
sampling studies	4
will vary	4
masks throughout	4
light scattering	4
people infected	4
services info	4
flight attendants	4
always wear	4
certain limitations	4
prone acute	4
much greater	4
ethnographic study	4
breathing difficulty	4
preventing spread	4
preserve privacy	4
categorical variables	4
attention checks	4
volumetric flow	4
time interval	4
analysis effectiveness	4
among others	4
individuals within	4
real life	4
coronavirus pneumonia	4
strong correlation	4
pandemic will	4
second search	4
simple face	4
avoid touching	4
posted may	4
may without	4
regarding disinfection	4
economic burden	4
physiological impact	4
decontamination intervention	4
airborne sars	4
healthy behaviour	4
genetic material	4
main outcome	4
plantower pms	4
air spaces	4
baixada santista	4
current practices	4
young people	4
mask provided	4
exhaled droplet	4
indoor face	4
event history	4
pla filament	4
testing masks	4
top panel	4
right side	4
countries like	4
elastic straps	4
using homemade	4
recent research	4
confirmed case	4
edge computing	4
medline gem	4
shed light	4
people need	4
smt sdv	4
first stage	4
final mask	4
ontario phus	4
sensitivity analysis	4
immune system	4
linear regression	4
cotton silk	4
human coronaviruses	4
based masks	4
become one	4
properly fitted	4
type ii	4
contaminated surfaces	4
peer reviewed	4
chloride solution	4
health center	4
exponential spread	4
reducing potential	4
especially given	4
far less	4
mp chambers	4
clinical evidence	4
droplet exposure	4
put gloves	4
johns hopkins	4
tightfitting face	4
based mask	4
dominant route	4
acoustic analysis	4
health administration	4
turbulent flows	4
second stage	4
taking behaviour	4
publicly reported	4
filter capacity	4
respiratory particles	4
mathematical models	4
female participants	4
ball valve	4
sci doi	4
data used	4
bacterial dispersal	4
controlled study	4
appendix table	4
dental clinic	4
peak hospitalizations	4
provide additional	4
research design	4
affect heuristic	4
benzalkonium chloride	4
nosocomial influenza	4
causative injection	4
covered faces	4
health impact	4
prevent contamination	4
based analysis	4
five times	4
alternative methods	4
reporting items	4
potential importance	4
hcws may	4
results may	4
clinical areas	4
droplets will	4
protecting healthcare	4
mean cfus	4
open source	4
versus medical	4
one respiratory	4
please note	4
healthy persons	4
transfer rates	4
gram stain	4
report results	4
plana vitrectomy	4
shared air	4
chief public	4
suspected endophthalmitis	4
reducing covid	4
room simulation	4
gap around	4
eight dimensions	4
head model	4
unlike sars	4
province level	4
visual prognosis	4
wearing cloth	4
main findings	4
amplification products	4
health regulations	4
people will	4
joint mission	4
concentration levels	4
control literature	4
health strategies	4
cureus doi	4
medical supplies	4
privacy protection	4
masks however	4
simple cotton	4
real world	4
infectious contact	4
disease outbreak	4
ambient conditions	4
stratified recommendations	4
invasive ventilation	4
longer periods	4
blurred face	4
average log	4
severe covid	4
mask approaches	4
help enabler	4
reduction factor	4
weeks post	4
grade washable	4
partisan politics	4
severe illness	4
control study	4
new studies	4
model fit	4
potential transmission	4
hvni mask	4
pandemic requires	4
china joint	4
individual level	4
reported confirmed	4
still resist	4
ziplock bag	4
human coughs	4
fear appeals	4
mask supplies	4
mask users	4
mask resulted	4
best practice	4
multiple video	4
air contamination	4
will increase	4
emotional facial	4
similar rates	4
identifying airborne	4
health worker	4
different size	4
resource allocation	4
health policies	4
also used	4
individual agents	4
number con	4
filtration mechanisms	4
incorrect use	4
state mask	4
study findings	4
disinfection protocols	4
cases may	4
confirmed infection	4
disease spread	4
hazard ratio	4
different scenarios	4
remains unknown	4
patient room	4
method may	4
behavioral responses	4
water vapor	4
inward leakage	4
test line	4
turbulent flow	4
early july	4
pressure difference	4
special precautions	4
first reported	4
factor loadings	4
pediatric hematology	4
der sande	4
time dependent	4
business owners	4
american trials	4
facial feedback	4
whole mask	4
respirator reuse	4
lower rate	4
effectively prevent	4
nasal bridge	4
facial region	4
virological assessment	4
cases across	4
wear cloth	4
coronavirus sars	4
mouth regions	4
dental masks	4
touch surface	4
equipment used	4
trial facemasks	4
least seconds	4
authors concluded	4
symptomatically infected	4
filtration capability	4
one rct	4
authors conclude	4
different options	4
citizens across	4
droplet retention	4
protection motivation	4
extracted data	4
social pressure	4
routinely used	4
good mask	4
narrative reviews	4
electrostatic filtering	4
canadian public	4
vacuum fittings	4
bacterial biohybrids	4
penetration efficiency	4
different level	4
model parameters	4
help prevent	4
human health	4
one month	4
will need	4
facepiece particulate	4
med doi	4
since february	4
preventing infection	4
total cases	4
extended periods	4
among medical	4
three years	4
droplet ejecta	4
performance degradation	4
time step	4
risk health	4
clinical usability	4
many participants	4
protect people	4
regular hand	4
airborne influenza	4
cotton fabric	4
natural respiratory	4
exposed classes	4
may still	4
critical issues	4
new evidence	4
western countries	4
protection mask	4
revised model	4
emergency response	4
coverage rate	4
cost benefit	4
confirmed coronavirus	4
tested mask	4
binomial test	4
hour shift	4
much smaller	4
international health	4
detected faces	4
people use	4
worn properly	4
make sure	4
original research	4
examination room	4
health units	4
privacy preserving	4
ethics approval	4
plastic bag	4
two factors	4
perfect correlation	4
concentrations inside	4
health guidelines	4
air changes	4
might also	4
effective transmission	4
mask ppe	4
protection device	4
also identified	4
wide variety	4