An outbreak of foodbome intoxication in an institutional restaurant was investigated. Fifty-six people, out of 88, had vomiting, diarrhea, abdominal pain, prostration, fever and headache after eating a meal that included chicken sandwich, orange drink and milk pudding. Symptoms appeared between one and a halfhour and 12 hours after eating the meal and lasted from 24 to 36 hours. Specifíc attack rates were 64% for chicken sandwich, 61% for orange drink and 60% for milk pudding. Enterotoxin A secreting Staphylococcus aureus count in chicken Sandwich was 2 X 10(8)CFU.g-1. Results of the questionnaire appleied to patrons, and results of bacteriological analysis of food items, provided circunstantial evidence to conclude that an outbreak of foodbome intoxication caused by the chicken sandwich contaminated with Staphylococcus aureus enterotoxin A has ocurred.
foodbome intoxication; Staphylococcus aureus; enterotoxin A
