Assertion: active laboratory based surveillance | /r/CapableOf | cover 5% of the u.s. population
Facets:
value: to 10 sites
type: LOCATION
value: in 1996
type: TEMPORAL
Source sentences:
text: Active laboratory-based surveillance for confirmed cases of Campylobacter, Cryptosporidium, Cyclospora, E. coli O157:H7, Listeria, Salmonella, Shigella, and Vibrio increased from five sites, covering 5% of the U.S. population in 1996 to 10 sites covering approximately 15% of the population in 2007.