Table 4.
Altitude Zone | Low | Middle | High | |||
---|---|---|---|---|---|---|
Survey period | Positive/Total sampled, n | Prevalence, % | Positive/Total sampled, n | Prevalence, % | Positive/Total sampled, n | Prevalence %, |
21 Oct.-6 Nov.2008 | 16/1003 | 1.59 | 0/353 | 0 | 2/2060 | 0.97 |
20 Jan.-4 Feb.2009 | 6/928 | 0.65 | 2/348 | 0.57 | 3/1929 | 0.15 |
19 Jun.- 5 Jul.2009 | 10/951 | 1.05 | 8/339 | 2.36 | 3/1937 | 0.15 |
18 Oct.-11 Nov.2009 | 32/924 | 3.46 | 8/345 | 2.32 | 17/1941 | 0.87 |
27 Jan.-9 Feb.2010 | 21/920 | 2.28 | 6/317 | 1.89 | 7/1890 | 0.37 |
5 Jun. -17 Jun. 2010 | 4/822 | 0.49 | 2/338 | 0.59 | 7/1862 | 0.37 |
Total | 89/5548 | 1.60 | 26/2040 | 1.27 | 39/11619 | 0.34 |