Abstract
Participants at the 10th annual Inter Summary national Congress of Microbiology in Mexico City in August, 1970, were asked whether they had had gastroenteritis after entering Mexico. Symptoms of those ill included diarrhœa (91%), bloody diarrhœa (1·4%), nausea (25%), vomiting (12%), and fever (22%). The median duration of symptoms was 2 days. The attack-rate for Americans, Canadians, and Northern Europeans was significantly higher than the combined attack-rate for visitors from Italy, Spain, Portugal, the Far East, Africa, and Latin America. There was no increased or decreased risk associated with a particular age range or sex. Taking prophylactic medication, confining drinking to bottled liquids, and avoiding salads, raw vegetables, and unpeeled fruit did not decrease risk of illness.
Published Version
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