perfringens is an anaerobic
bacterium unable to grow in the presence of free oxygen. It is distributed
in the environment and frequently occurs in the intestines of people
and many domestic and feral animals. Spores persist in soil, sediments,
and areas subject to human or animal faecal pollution.
food poisoning is the illness caused by C. perfringens
common form of perfringens poisoning is characterized by intense
abdominal cramps and diarrhea which begin 8-22 hours after consumption
of foods containing large numbers of those C. perfringens
bacteria capable of producing the food poisoning toxin. The illness
is usually over within 24 hours but less severe symptoms may persist
in some individuals for 1 or 2 weeks.
more serious illness is (enteritis necroticans or pig-bel disease)
also caused by ingesting food contaminated with Type C strains.
Deaths from necrotic enteritis (pig-bel syndrome) are caused by
infection and necrosis of the intestines and from resulting septicemia.
meat products, and gravy are the foods most frequently implicated.
Institutional feeding (school cafeterias, hospitals, nursing homes,
prisons, etc.) where large quantities of food are prepared several
poisoning is diagnosed by its symptoms and the typical delayed onset
of illness and confirmed by detecting toxin in feces of patients.