Table 5. Baseline and 2009 microfilaria, antigenemia and mosquito infection/infectivity in 10 SVs, and 2009 transmission status.
Mf | Antigenemia | Mosquito Infection | Mosquito Infectivity (L3) | 2009 Transmission | |||||||||||
Sentinel Village | LGA | Years of Tx | Base | 2009 | % | Base | 2009 | % | Base | 2009 | % | Base | 2009 | % | |
Akwete | Awe | 7 | 0.5% | 0.0% | 100% | 13.5% | 2.4%* | 82% | 0.1% | 0.0% | 100% | 0.0% | 0.0% | N/A | Interrupted |
Azara | Awe | 7 | 0.2% | 0.0% | 100% | 9.3% | 0.9%* | 90% | 0.0% | 0.0% | N/A | 0.0% | 0.0% | N/A | Interrupted |
Babale | Jos North | 7 | 0.4% | 0.0% | 100% | 6.4% | 1.5% | 77% | NA | 0.0% | N/A | NA | 0.0% | N/A | Interrupted |
Dokan Tofa | Shendan | 7 | 5.0% | 0.4%* | 91% | 23.5% | 3.0%* | 87% | 2.4% | 0.1%* | 94% | 1.0% | 0.1%** | 86% | Ongoing |
Gbuwhen | Akwanga | 10 | 3.7% | 0.0%* | 100% | 46.7% | 0.6%* | 99% | 0.6% | 0.0% | 100% | 0.1% | 0.0% | 100% | Interrupted |
Gwamlar | Kanam | 8 | 6.7% | 4.9% | 27% | 58.0% | 27.3%* | 53% | 19.0% | 2.3%* | 88% | 8.2% | 0.9%* | 90% | Ongoing |
Lankan | Pankshin | 10 | 3.3% | 0.0%* | 100% | 47.0% | 7.0%* | 85% | 5.9% | 0.3%* | 95% | 2.3% | 0.3%** | 87% | Ongoing |
Maiganga | Wamba | 9 | 4.7% | 0.7%** | 86% | 54.0% | 7.9%* | 85% | 2.1% | 0.3%** | 87% | 0.9% | 0.0%** | 100% | Interrupted |
Piapung | Mikang | 7 | 9.9% | 2.1%* | 79% | 31.8% | 7.6%* | 76% | 5.7% | 0.2%* | 96% | 3.0% | 0.0%* | 100% | Ongoing |
Seri | Kanke | 9 | 10.6% | 0.0%* | 100% | 62.0% | 10.5%* | 83% | 6.7% | 1.0%* | 84% | 2.0% | 0.9% | 57% | Ongoing |
TOTAL | 4.9% | 0.8%* | 83% | 21.6% | 7.2%* | 67% | 3.1% | 0.4%* | 86% | 1.3% | 0.3%* | 76% |
% columns indicate percent decrease from baseline. 2009 Transmission status column (far right) indicates ‘interrupted’ only when Mf<1% and Mosquito Infectivity (L3) = 0. Babale final impact data points are from 2008 due to unrest in 2009. Azara mosquito infection final impact data point is from 2007 due to small sample sizes (<100) in 2008 and 2009.
*p<.01 compared to baseline.
**p<.05 compared to baseline.