| characterization of an outbreak of clostridium perfringens food poisoning by quantitative fecal culture and fecal enterotoxin measurement. | published criteria for implicating clostridium perfringens as the cause of food-poisoning outbreaks include finding a median fecal c. perfringens spore count of greater than 10(6)/g among specimens from ill persons. we investigated a food-poisoning outbreak with the epidemiologic characteristics of c. perfringens-related disease in a nursing home in which the median fecal spore count for ill patients (2.5 x 10(7)/g) was similar to that for well patients (4.0 x 10(6)/g), making the etiology of th ... | 1988 | 2895776 |