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Table 2 Infection, dissemination and transmission rates in Culex australicus and Culex annulirostris exposed to 10 8.1 and 10 7.6 TCID 50 /mL of the WNV KUN2011 and WNV KUN2009 strains, respectively, and tested at day 12 post-exposure

From: Role of enhanced vector transmission of a new West Nile virus strain in an outbreak of equine disease in Australia in 2011

  Infectiona Disseminationb Dissemination/infectionc Transmissiond Transmission/disseminatione
Species KUN2011 KUN2009 KUN2011 KUN2009 KUN2011 KUN2009 KUN2011 KUN2009 KUN2011 KUN2009
Cx. australicus 68 (17/25) 50 (11/22) 60 (15/25) 41 (9/22) 88 (15/17) 82 (9/11) 20 (5/25)* 18 (4/22)* 33 (5/15)* 44 (4/9)
Cx. annulirostris 68 (17/25) 60 (9/15) 68 (17/25) 60 (9/15) 100 (17/17) 100 (9/9) 68 (17/25) 53 (8/15) 100 (17/17) 89 (8/9)
  1. aPercentage of mosquitoes containing virus in their bodies (number positive/number tested).
  2. bPercentage of mosquitoes containing virus in their legs and wings (number positive/number tested).
  3. cPercentage of infected mosquitoes containing virus in their legs and wings (number positive/number infected).
  4. dPercentage of mosquitoes containing virus in the saliva expectorates (number positive/number tested).
  5. ePercentage of mosquitoes with a disseminated infection containing virus in the saliva expectorates (number positive/number disseminated).
  6. *Fisher’s exact test P-value <0.05 for comparisons between Cx. australicus and Cx. annulirostris.