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Table 1 Collection data, MIR, MLE of the mosquitoes collected in the study. MIR and MLE are expressed as the number of infected mosquitoes per 1000 tested; CI 95%: 95% confidence interval; na: not applicable

From: Evidence of mosquito-transmitted flavivirus circulation in Piedmont, north-western Italy

Collection date Year (week) Mosquito species Tested specimens Tested pools Positive pools MIR (CI 95%) MLE (CI 95%)
2009 (35) C. pipiens 1912 96 2 1.05 (0.0-2.49) 1.05 (0.19-3.43)
  O. caspius 1009 70 1 0.99 (0.0-2.93) 0.99 (0.06-4.77)
  C. modestus 631 18 0 na na
2010 (37) C. pipiens 223 12 1 4.48 (0.0-13.25) 4.37 (0.26-21,06)
  O. caspius 453 24 3 6.62 (0.0-14.09) 6.92 (1.84-18.83)