acute infectious nonbacterial gastroenteritis -->
epidemic nonbacterial gastroenteritis
medical dictionary

An epidemic, highly communicable but rather mild disease of sudden onset, caused by the epidemic gastroenteritis virus (especially Norwalk agent), with an incubation period of 16 to 48 hours and a duration of 1 to 2 days, which affects all age groups; infection is associated with some fever, abdominal cramps, nausea, vomiting, diarrhoea, and headache, one or another of which may be predominant.

Synonyms: acute infectious nonbacterial gastroenteritis.

(05 Mar 2000)