Volume 14, Number 1—January 2008
Research
Cryptosporidiosis and Filtration of Water from Loch Lomond, Scotland
Kevin G.J. Pollock*
, David Young†, Huw V. Smith‡, and Colin N. Ramsay*
, David Young†, Huw V. Smith‡, and Colin N. Ramsay*Table 3
Sex distribution of cryptosporidiosis case-patients, Loch Lomond, Scotland
| Water source | Relation to enhanced water filtration* | Male, no. (%) | Female, no. (%) |
|---|---|---|---|
| Loch Lomond | Before | 197 (57.8) | 144 (42.2) |
| After | 92 (53.8) | 79 (46.2) | |
| Other | Before | 354 (48.8) | 372 (51.2) |
| After | 581 (47.4) | 646 (52.6) | |
| Total | 1,224 | 1,241 |
*Coagulation and rapid gravity filtration, introduced in November 1999.
