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Table 1 Infection, dissemination and transmission rates in Cx. annulirostris after exposure to WNV by either oral route or intrathoracic inoculation (IT). Mosquitoes previously infected with PCV were compared to mosquitoes mock infected with growth medium

From: The insect-specific Palm Creek virus modulates West Nile virus infection in and transmission by Australian mosquitoes

  Infectiona Disseminationb Transmissionc Transmission/Disseminationd
Mode of exposure (virus strain) WNV WNV + PCV WNV WNV + PCV WNV WNV + PCV WNV WNV + PCV
Oral (WNVKUN2009) 76 (34/45) 51 (21/41)e 69 (31/45) 51 (21/41) 64 (29/45) 37 (15/41)e 94 (29/31) 71 (15/21)e
IT (WNVKUN2009) 93 (28/30) 100 (30/30) 93 (28/30) 93 (28/30) 90 (27/30) 73 (22/30) 96 (27/28) 79 (22/28)
IT (WNVKUNMRM16) 88 (15/17) 100 (52/52) Not tested 80 (12/15) 62 (35/52) Not tested
  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 mosquitoes containing virus in the saliva expectorates (number positive/number tested)
  4. dPercentage of mosquitoes with a disseminated infection containing virus in the saliva expectorates (number positive/number disseminated)
  5. eFisher’s exact test P-value < 0.05 for comparisons between Cx. annulirostris infected with WNV only and those infected with WNV and PCV