Volume 21, Number 8—August 2015
CME ACTIVITY - Synopsis
Escherichia coli O157 Outbreaks in the United States, 2003–2012
Table 2
Escherichia coli O157 outbreaks by setting (n = 357), United States, 2003–2012
Transmission source | Setting/no. outbreaks |
|||||||
---|---|---|---|---|---|---|---|---|
Restaurant/ banquet facility | Home | Institutional* | Fair/petting zoo | Recreational area/facility† | Other‡ | Unknown | Total | |
Food | 73 | 60 | 16 | 2 | 0 | 32 | 39 | 222 |
Beef | 15 | 34 | 3 | 0 | 0 | 9 | 8 | 69 |
Poultry | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 |
Other meat | 1 | 5 | 0 | 0 | 0 | 0 | 0 | 6 |
Dairy | 0 | 2 | 0 | 0 | 0 | 11 | 0 | 13 |
Leafy vegetables§ | 13 | 4 | 3 | 0 | 0 | 2 | 4 | 26 |
Fruits | 0 | 2 | 0 | 1 | 0 | 2 | 0 | 5 |
Sprouts | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
Nuts | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 |
Other foods | 13 | 6 | 0 | 0 | 0 | 2 | 3 | 24 |
Food unknown | 30 | 6 | 9 | 1 | 0 | 6 | 24 | 76 |
Animal contact | 0 | 1 | 2 | 17 | 0 | 4 | 15 | 39 |
Person-to-person | 0 | 2 | 17 | 0 | 0 | 0 | 20 | 39 |
Water | 0 | 2 | 2 | 0 | 7 | 4 | 0 | 15 |
Other or unknown | 0 | 0 | 0 | 0 | 0 | 0 | 42 | 42 |
All outbreaks | 73 | 65 | 37 | 19 | 7 | 38 | 116 | 357 |
*Institutional setting comprises camp, daycare, hospital, nursing home, prison, school, church, and workplace cafeteria.
†Recreational area/facility comprises county and state park, beach, and a sports complex.
‡Other settings comprise a grocery store, commercial products, a 4H steer competition, communities, a farm, a National Western Stock Show, a public outdoor area, and a club.
§Setting was not available for 3 outbreaks involving leafy vegetables.