id	author	title	date	pages	extension	mime	words	sentences	flesch	summary	cache	txt
cord-332097-mrsmwxvo	SZILAGYI, P. G.	Incidence and viral aetiologies of acute respiratory illnesses (ARIs) in the United States: a population-based study	2016-03-02		.txt	text/plain	4909	239	49	We used a rolling cross-sectional design to sample participants, conducted telephone interviews to assess ARI symptoms (defined as a current illness with feverishness or cough within the past 7 days), collected nasal/throat swabs to identify viruses, and extracted healthcare utilization from outpatient/inpatient records. Population-level surveillance is an integral step in assessing morbidity from ARIs. Also vaccines are in development for several viral pathogens including respiratory syncytial virus (RSV) [15] , parainfluenza viruses (PIVs) [16] , and human metapneumovirus (hMPV, first identified in the early 2000s) which are significant causes of hospitalizations, ED visits and outpatient visits [2, [17] [18] [19] . Our prospective, population-wide surveillance study used a previously described rolling cross-sectional (RCS) study design [27] in two communities (Rochester, NY and Marshfield, WI) in the 2011 winter season to identify individuals with ARIs (defined as a current illness with feverishness or cough within the past 7 days) and document viruses associated with these ARIs. The RCS design was first described and used by political scientists in the early 1980s for studies of voter preferences and election results; it consists of a series of cross-sectional samples in which each sample is representative of the source population [28] .	./cache/cord-332097-mrsmwxvo.txt	./txt/cord-332097-mrsmwxvo.txt