Author:
McANULTY J. M.,KEENE W. E.,LELAND D.,HOESLY F.,HINDS B.,STEVENS G.,FLEMING D. W.
Abstract
In early 1992 we identified an outbreak of cryptosporidiosis in Oregon and sought to identify
and control its source. We used a series of studies to identify risk factors for illness : (i) a case-control study among employees of a long-term-care facility (LTCF); (ii) a matched case-control
study of the general community; (iii) a cohort study of wedding attendees; and (iv) a cross-sectional survey of the general community. Drinking Talent water was associated with illness in
the LTCF (OR = 22·7, 95% CI = 2·7–1009·0), and in the community (matched OR = 9·5, 95%
CI 2·3–84·1). Drinking Talent water was associated with illness only among non-Talent
residents who attended the wedding (P < 0·001) and in the community (RR = 6·5, 95% CI
3·3–12·9). The outbreak was caused by contaminated municipal water from Talent in the
absence of a discernible outbreak among Talent residents, suggesting persons exposed to
contaminated water may develop immunity to cryptosporidiosis.
Publisher
Cambridge University Press (CUP)
Subject
Infectious Diseases,Epidemiology
Cited by
19 articles.
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