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Volume 11, Number 2, February 2005

Sporadic Cryptosporidiosis Decline after Membrane Filtration of Public Water Supplies, England, 1996–2002

Stella Goh,* Mark Reacher,† David P. Casemore,‡ Neville Q. Verlander,§ André Charlett,§ Rachel M. Chalmers,¶ Margaret Knowles,# Anthony Pennington,* Joy Williams,* Keith Osborn,** and Sarah Richards††
*Carlisle and District Primary Care Trust, Carlisle, United Kingdom; †Health Protection Agency, Cambridge, United Kingdom; ‡University of Wales, Aberystwyth, Ceredigion, Wales, United Kingdom; §Health Protection Agency Centre for Infections, Colindale, London, United Kingdom; ¶Singleton Hospital, Swansea, Wales, United Kingdom; #Cumberland Infirmary, Carlisle, United Kingdom; **United Utilities, Great Sankey, Warrington, United Kingdom; and ††West Cumberland Hospital, Whitehaven, United Kingdom

 
 
Figure 1.
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Figure 1. Cases of primary cryptosporidiosis per 100,000 person-years before and after membrane filtration introduced into public water supplies, derived from Crummock Lake, Ennerdale Lake, and other water sources.

 

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This page last reviewed January 6, 2005

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National Center for Infectious Diseases
Centers for Disease Control and Prevention