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Volume 8, Number 6—June 2002
Research

Cryptosporidium Oocysts in a Water Supply Associated with a Cryptosporidiosis Outbreak

Andrew D. Howe*, Sue Forster*, Stephen Morton*, Roberta Marshall*, Keith S. Osborn†, Peter Wright‡, and Paul R. Hunter§Comments to Author 
Author affiliations: *East Lancashire Health Authority, Nelson, United Kingdom; †United Utilities Water PLC, Warrington, United Kingdom; ‡Public Health Laboratory, Preston, United Kingdom; §University of East Anglia, Norwich, United Kingdom

Main Article

Table 1

Age-specific attack rates for cryptosporidiosis in residents of water zone 97, Clitheroe, March 2000

Age group Cases (n=51) Population Rate/10,000 95% confidence interval
<4 26 945 275.1 170.8 to 379.4
5–14 9 2,283 39.4 13.7 to 65.1
15–44 12 6,822 17.6 7.6 to 27.5
>45 4 7,202 5.6 0.1 to 11.0
Total 51 1,7252 29.6 21.5 to 37.7

Main Article

Page created: April 19, 2012
Page updated: April 19, 2012
Page reviewed: April 19, 2012
The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.
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