Outbreak of foodborne disease at a mass event of indigenous peoples in Cuiaba, Mato Grosso, Brazil, in 2013

Abstract

to report the experience of investigating the outbreak of acute diarrhoea (AD) at the XII Indigenous Games in Cuiabá, Mato Grosso, Brazil, 2013. data were collected from the Advanced Medical Post's service records of the AD cases, which were defined as 'individual Games participant referring episode of diarrhoea and/or vomiting'; AD attack rates, relative frequencies and measures of the central tendency of sociodemographic and clinical variables, sanitary inspections and results of bromatological samples were calculated. 384 (37%) cases met the definition of AD; the epidemic peaks of the outbreak occurred on the 4th and 7th day of the event and the disease attack rate was 33.5%; sanitary inspection showed evidence of food contamination by coagulase-negative Staphylococci, Bacillus cereus and heat resistant coliforms. there an outbreak of AD caused by food contamination.