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Volume 14, Number 1—January 2008
Research

Cryptosporidiosis and Filtration of Water from Loch Lomond, Scotland

Kevin G.J. Pollock*Comments to Author , David Young†, Huw V. Smith‡, and Colin N. Ramsay*
Author affiliations: *Health Protection Scotland, Glasgow, Scotland, UK; †University of Strathclyde, Glasgow, Scotland, UK; ‡Scottish Parasite Diagnostic Laboratory, Glasgow, Scotland, UK;

Main Article

Table 4

Distribution of cases by drinking water source before and after the introduction of filtration at Loch Lomond, Scotland

Relation to enhanced water filtration† Water source, no. (%)*
Loch Lomond Other All
Before 341 (222) 727 (846) 1,068
After 171 (290) 1,227 (1,108) 1,398
Both 512 1,954 2,466

*Numbers in parentheses are cases expected under the null hypothesis (i.e., no association between water supply and filtration).
†Coagulation and rapid gravity filtration, introduced in November 1999.

Main Article

Page created: July 08, 2010
Page updated: July 08, 2010
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