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Table 4 Dirofilaria immitis infection of mosquitoes by sampling districts of Portugal, 2011–2013

From: First molecular identification of mosquito vectors of Dirofilaria immitis in continental Portugal

Districts Mosquitoes collected Mosquitoes tested Positive PCR Number of positive pools § MIR ERI 95% CI
Specimens Pools† Head+thorax Abdomen
Coimbra 679 678 209 9 14 21 31.0/1000 3.21% 0.02–0.047
Santarém 7818 4530 1208 13 19 25 5.5/1000 0.54% 0.004–0.008
Setúbal 659 658 398 1 8 8 12.2/1000 1.22% 0.006–0.024
TOTAL 9156 5866 1815 23 41 54 9.2/1000 0.91% 0.007–0.012
  1. § - whether in just one portion of the body or both; † − includes individual specimens as well.