epidemic viral gastroenteritis


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epidemic viral gastroenteritis

Gastroenteritis presumed to be of viral etiology and epidemic in nature; EVG is most common in children, occurs in the winter months, and resolves in 1-3 days Etiology
1. Norwalk and Norwalk-like agents–eg Hawaii, Snow Mountain, Montgomery agents, most common.
2. Caliciviruses.
3. Astroviruses.
4. 'Also-rans', including Cockle, Paramatta, Wollan, et al Clinical N&V, diarrhea, abdominal discomfort, anorexia, headache, malaise, low-grade fever; EVG rarely requires hospitalization; it may kill the elderly– 2 typical patterns: 1. Nonfebrile, confined to the GI tract; 2. Febrile and systemic Treatment Fluids.