Table 3.
Dirofilaria immitis DNA detected in mosquitoes collected in Portugal, 2011–2013
| Mosquito species | Mosquitoes collected | Mosquitoes tested | Positive PCR | Number of positive pools § | MIR | ERI | 95% CI | ||
|---|---|---|---|---|---|---|---|---|---|
| Specimens | Pools† | Head+thorax | Abdomen | ||||||
| Cx. theileri | 5812 | 3406 | 234 | 13 | 16 | 23 | 6.8/1000 | 0.71% | 0.005–0.01 |
| Cx. pipiens s.l. | 1940 | 1595 | 1123 | 0 | 8 | 8 | 5/1000 | 0.50% | 0.003–0.01 |
| Ae. caspius | 601 | 270 | 193 | 4 | 8 | 10 | 37/1000 | 3.73% | 0.02–0.067 |
| An. maculipennis s.l. | 406 | 400 | 114 | 5 | 8 | 12 | 30/1000 | 3.12% | 0.017–0.052 |
| Ae. detritus s.l. | 23 | 23 | 16 | 1 | 1 | 1 | 43.5/1000 | 4.39% | 0.008–0.21 |
| Other species* | 374 | 172 | 135 | 0 | 0 | 0 | - | - | |
| TOTAL | 9156 | 5866 | 1815 | 0 | 0 | 0 | 9.2/1000 | 0.91% | 0.007–0.012 |
§ - whether in just one portion of the body or both; * - other species and unidentifiable mosquitoes; † − includes individual specimens as well.