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Table 4 Vectorial capacity (VC) of experimental populations of Cx. pipiens following exposure to WNV WT and WNV MP20

From: The evolution of virulence of West Nile virus in a mosquito vector: implications for arbovirus adaptation and evolution

  h1 b2 p3 N4 VC= h2pNb/-ln(p)
WNV WT 0.32 0.32 0.98 10 1.00
WNV MP20 0.28 0.44 0.97 10 0.83
  1. 1 mean blood feeding rate.
  2. 2 vector competence (b) = infection rate *dissemination rate.
  3. 3 probability of daily survival.
  4. 4 extrinsic incubation period (N) = mean time in days from infection to transmission.