Table 4.
Entomological indices showing relevant parameters for the estimation of the annual transmission potential (ATP).
| District | Average Number of An. gambiae Sampled per Month | Vector Biting Density (MBR) | Annual Biting Rate (ABR) | Average Number of An. gambiae Dissected per Month | Average Infection per Month | Average Infectivity per Month | Infection Rate (%) | Infectivity Rate (%) | Annual Infective Biting Rate (AIBR) | Average Worm Load per Month | Annual Transmission Potential (ATP) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Ahanta West | 1401 | 43.8 | 15,987 | 25 | 0.620 | 0.150 | 0.025 (2.5) | 0.006 (0.6) | 95.922 | 0.077 | 7.386 |
| Mpohor | 316 | 9.9 | 3614 | 28 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Kassena Nankana West | 33 | 1.0 | 365 | 17 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Bongo | 27 | 0.8 | 292 | 16 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |