Outbreaks of Norwalk gastroenteritis, which may involve persons of all ages, occur during all
seasons and in various locations. Waterborne, foodborne, and person-to-person modes of …

Records of 642 outbreaks of acute gastroenteritis were reviewed to determine the proportion
of outbreaks that were clinically and epidemiologically consistent with Norwalk-like virus …

An outbreak of gastroenteritis lasting for one week in August 1980 affected∼ 1,500 persons
in a community in northern Georgia. Investigation included a telephone survey of the …

Twenty-five separate outbreaks of nonbacterial gastrointestinal illnesses were studied
serologically for evidence of infection with the Norwalk virus and the rotaviruses that affect …

An outbreak of acute nonbacterial gastroenteritis occurred among residents and staff In a
nursing home In Baltimore, Maryland, in December 1980. A total of 101 residents and 69 …

From 23 to 26 August 1982, a gastrointestinal illness occurred among 129 of 248 (52%)
persons interviewed who had attended four social events in the Minneapolis-St. Paul area …

In a multiple-challenge study of US adult volunteers with low or high levelsof serum antibody
to Norwalk virus, Norwalk inoculum 8FIIa was administered to 42 subjects, 22 were …

An explosive outbreak of gastrointestinal illness clinically compatible with infection by an
agent serologically related to Norwalk virus agent occurred in an elementary school in May …

A solid-phase microtiter radioimmunoassay was established for the detection of Norwalk
virus and its antibody, with clinical materials from human volunteers previously studied in …

Abstract On December 6, 1979, three luncheon banquets were served in a New Jersey
restaurant. Thirty-eight of 41 members (92.7%) of the first group became ill as did 25 of 31 …