“…The outbreaks have nearly always taken place between September and March. Numerous reports (Zahorsky, 1929;Ailler & Raven, 1936;Gray, 1939;Bradley, 1943;Reimann et al 1945a;Gordon et al 1947;Hargreaves, 1947;Kuhns & Wetherbee, 1950;Ingalls & Britten, 1951;Webster, 1953;Simpson, 1954;Haworth et al 1956, Pollock & Clayton, 1964Cumming & McEvedy, 1969) in the British and American literature over the past three decades have described epidemics of Winter Vomiting Disease (synonyms are epidemic vomiting, epidemic gastroenteritis, epidemic nausea and vomiting, and epidemic diarrhoea and vomiting), and the subject has been reviewed in recent years (Editorial, 1969;Webb & Wallace, 1966 (Cheever, 1967) have been associated with viral dysentery, the term Reimann (1963) uses to include Winter Vomiting Disease and its synonyms, but attempts to isolate and identify a virus in several large-scale autumn and winter school and institutional outbreaks have been unsuccessful (Webster, 1953;Haworth et al 1956;Pollock & Clayton, 1964).…”