Volume 15, Number 8—August 2009
Dispatch
Challenges of Investigating Community Outbreaks of Cyclosporiasis, British Columbia, Canada
Table 2
Food items eaten more often by case-patients than by population controls, British Columbia, Canada, May 1–July 31, 2007*
| Food item | No. (%) case-patients | Controls, % |
|
|---|---|---|---|
| Waterloo survey | US FoodNet | ||
| Strawberries | 16–17 (94–100) (1 unsure) | 32 | 28 |
| Romaine lettuce | 15 (88) | Any lettuce, 84 | 37 |
| Garlic | 12 (71) | NA | NA |
| Red peppers | 14 (82) | NA | NA |
| Cilantro | 12–15 (70–88) (3 unsure) | 8 | NA |
| Basil | 14–16 (82–94) (2 unsure) | 12 | NA |
*Case-patients were 17 persons with laboratory-confirmed cases interviewed during phase 2 (June 24–July 21, 2007). US FoodNet, Foodborne Diseases Active Surveillance Network; NA, not applicable.
1British Columbia Cyclospora Investigation Team: Dan Moreau, Craig Nowakowski (Vancouver Island Health Authority); Mark Ritson, Arne Faremo (Vancouver Coastal Health Authority); Krista Wilson, Brian Gregory (Interior Health Authority); Susan Schleicher, Shendra Brisdon, Jason Stone (Fraser Health Authority); Julie Wong, Joe Fung, Linda Hoang (Provincial Health Services Authority Laboratories); and Lisa Wu (Canadian Food Inspection Agency, Burnaby).