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Published on: February 13, 2015
Foodborne Illness Associated with a Pig Roast
Thomas Novotny1, James D Dingman1, Andrew Pavia1
1Division of Field Services, Epidemiology Program Office, Centers for Disease Control, Atlanta, Georgia 30333; Tri-County District Health Department, Environmental Health Division, 7000 E. Belleview, Suite 301, Englewood, Colorado 80111 and Enteric Diseases Branch, Center for Infectious Disease, Centers for Disease Control, Atlanta, Georgia 30333.
A Colorado pig roast outbreak sickened 35% of guests, with pork suspected as the cause. Proper food handling, including safe cooking temperatures and prompt cooling, is crucial to prevent Clostridium perfringens food poisoning.
Area of Science:
- Foodborne illness
- Gastroenteritis outbreaks
- Public health investigations
Background:
- Whole pig roasts are popular for events but pose significant food safety challenges.
- Gastroenteritis outbreaks linked to improperly handled food can affect numerous individuals.
Purpose of the Study:
- To investigate an outbreak of gastroenteritis following a whole pig roast.
- To identify the source and contributing factors of the foodborne illness.
- To provide recommendations for preventing future outbreaks.
Main Methods:
- Case-control investigation of attendees at a pig roast.
- Epidemiological analysis to determine the vehicle of transmission.
- Environmental assessment of food storage and preparation practices.
Main Results:
- 35% of 57 guests developed symptoms including nausea, diarrhea, and vomiting.
- Pork was implicated as the likely vehicle of transmission (p = 0.003).
- The illness was consistent with Clostridium perfringens gastroenteritis.
- Deficiencies in pork storage and cooking were identified.
Conclusions:
- Improper handling and cooking of whole pigs can lead to significant foodborne outbreaks.
- Recommendations include supplier education on safe cooking, proper refrigeration, use of meat thermometers, avoiding cooking other foods inside the carcass, and prompt cooling of leftovers.
- Adherence to food safety guidelines is essential for preventing Clostridium perfringens infections.
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