Published in Medical Letter on the CDC and FDA, May 10th, 2006
According to a study from the United States, "Noroviruses are believed to be the most common etiologic agent of food-borne outbreaks of gastroenteritis, yet diagnostic tests for these agents are not readily available in the United States. In the absence of assays to detect norovirus, several clinical and epidemiologic profiles (vomiting in >50% of patients, mean incubation period of 24-48 hours, mean duration of illness of 12-60 hours, and no bacterial pathogen) and the ratios of fever to vomiting and diarrhea to vomiting have been used to distinguish food-borne...
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