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Table 8 FoodNet–Percent Change and 95% CI in Incidence of Laboratory–Confirmed Infections 2012

Percent change (and 95% confidence interval) in incidence of laboratory-confirmed bacterial and parasitic infections in 2012* compared with average annual incidence for 1996–1998 and for 2006–2008, by pathogen, Foodborne Diseases Active Surveillance Network (FoodNet), United States
Pathogen/Syndrome 1996–1998 comparison period 2006–2008 comparison period
% change (95% CI) % change (95% CI)
Campylobacter 22%↓ (15%↓ – 28%↓) 14%↑ (7%↑ – 21%↑)
Listeria§ 42%↓ (25%↓ – 56%↓) 6%↓ (26%↓ – 18%↑)
Salmonella 4%↓ (11%↓ – 4%↑) 3%↑ (3%↓ – 10%↑)
Shigella 46%↓ (25%↓ – 62%↓) 13%↓ (33%↓ – 14%↑)
STEC O157 30%↓ (15%↓ – 43%↓) 10%↓ (24%↓ – 6%↑)
STEC non-O157 NA**   NA
Vibrio 116%↑ (62%↑ – 187%↑) 43%↑ (16%↑ – 76%↑)
Yersinia 52%↓ (39%↓ – 63%↓) 6%↓ (25%↓ – 18%↑)
Cryptosporidium 9%↑ (28%↓ – 66%↑) 11%↑ (16%↓ – 48%↑)
Cyclospora NA NA
HUS†† NA 44%↓ (18%↓ – 62%↓)

*Data are preliminary
Percent change reported as increase (↑) or as decrease (↓)
§Listeria cases defined as isolation of L. monocytogenes from a normally sterile site or, in the setting of miscarriage or stillbirth, isolation of L. monocytogenes from placental or fetal tissue
Shiga toxin-producing Escherichia coli
**Changes over time not evaluated
Change in incidence of postdiarrheal HUS in children aged <5 years for 2011

 
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