Volume 20, Number 1—January 2014
Research
Effects of Drinking-Water Filtration on Cryptosporidium Seroepidemiology, Scotland
Table 1
Participants |
Study period |
|||
1 (2006 Apr–Jul) |
2 (2006 Aug–Oct) |
3 (2008 Apr–Jul) |
4 (2008 Aug–Oct) |
|
Previous participants* | 1,051 | 750 | 608 | 911 |
New recruits | 0 | 133 | 253 | 0 |
Total |
1,051 |
883 |
861 |
911 |
By city | ||||
Glasgow | 791 | 671 | 638 | 698 |
Dundee | 260 | 212 | 223 | 213 |
*Donated blood at least 1 time since period 1.
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Page updated: January 03, 2014
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