International Journal of Epidemiology, Vol 24, S34-S38, Copyright © 1995 by International Epidemiological Association
SR Palmer
Epidemiology investigations of outbreaks of infectious disease have to be
carried out rapidly but must be methodologically sound. In 14 of 25
consecutive Salmonella outbreaks in Wales from 1986 to 1990 case- control
or cohort studies were undertaken. Food vehicles of infection were
identified by statistically significant associations with cases in 13 of
the 14, including three outbreaks where there were less than 10 cases. The
particular problems of epidemiological field investigations are discussed.
ARTICLES
Outbreak investigation: the need for 'quick and clean' epidemiology
Welsh Combined Centres for Public Health, University of Wales College of Medicine, Cardiff, UK.
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