epidemic vomiting


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ep·i·dem·ic vom·it·ing

virus caused by Norwalk virus, a 27-nm RNA virus in the family Caliciviridae frequently occurring in a group of people (for example, in a school or small community) suddenly and without prodromal illness or malaise, is intense while it lasts, but ceases abruptly after 24-48 hours; symptoms are headache, abdominal pain, giddiness, and diarrhea in most of the cases, and extreme prostration in about 75%.
Synonym(s): epidemic nausea

epidemic vomiting

an episode of sudden vomiting by members of a group of people in close contact. The vomiting, caused by ribonucleic acid Norwalk virus infection, usually begins without previous signs or symptoms of illness and may continue for several hours, ending abruptly. The vomiting may be accompanied by headache, abdominal pain, and diarrhea. The patients are frequently children who are attending the same school.
A 1–3 day, often parvovirus-induced intestinal ‘flu’, which is most common in the winter in temperate climates

ep·i·dem·ic vom·it·ing

(ep-i-demik vomit-ing)
Symptom caused by Norwalk virus; strikes suddenly and without prodromal illness or malaise, is intense while it lasts, but ceases abruptly after 24-48 hours; symptoms are headache, abdominal pain, giddiness, and diarrhea in most cases, but also extreme prostration in about 75%.
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