Table 1 Prevalence of mosquitoes infected with oocysts and sporozoites and entomological inoculation rate (EIR) in Rufiji and Kilombero-Ulanga Districts by Anopheline species and time period
| Â | Time period (Anti-malarial in use) | Oocyst prevalence | Sporozoite prevalence | EIR | ||
|---|---|---|---|---|---|---|
| Â | Â | n/N | % [95% CI] | n/N | % [95% CI] | Â |
Rufiji | Â | Â | Â | Â | Â | Â |
An. funestus | January 2002-February 2003 (SP) | 9/1094 | 0.82 [0.29-1.36] | 321/14861 | 0.022 [0.019-0.024] | 108 |
|  | March 2003- September 2004 (AS + SP) | 11/330 | 3.33 [1.40-5.27] | 99/2273 | 0.044 [0.035-0.052] | 288 |
An. gambiae s.l | January 2002-February 2003 (SP) | 4/475 | 0.84 [0.02-1.66] | 291/8665 | 0.034 [0.030-0.037] | 332 |
|  | March 2003-September 2004 (AS + SP) | 51/1195 | 4.27 [3.12-5.41] | 215/6475 | 0.033 [0.029-0.038] | 538 |
Kilombero-Ulanga | Â | Â | Â | Â | Â | Â |
An. funestus | January 2002-February 2003 (SP) | 31/2518 | 1.23 [0.80-1.66] | 63/4353 | 0.014 [0.011-0.018] | 45 |
| Â | March 2003- August 2004 (SP) | 21/1806 | 1.16 [0.67-1.66] | 117/6576 | 0.018 [0.015-0.021] | 50 |
An. gambiae s.l | January 2002-February 2003 (SP) | 40/4506 | 0.89 [0.61-1.16] | 63/9333 | 0.007 [0.005-0.008] | 267 |
| Â | March 2003- August 2004 (SP) | 24/2765 | 0.87 [0.52-1.21] | 128/9372 | 0.014 [0.011-0.016] | 320 |