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. Author manuscript; available in PMC: 2008 Oct 25.
Published in final edited form as: Virology. 2007 Jul 6;367(2):339–347. doi: 10.1016/j.virol.2007.06.008

Figure 4.

Figure 4

Virus titers of wild type (WT) and small plaque (SP) variant WNV in Cx. pipiens bodies at 7 and 14 days after oral infection with the C6/36 cell amplified virus. Mosquitoes were fed on defibrinated goose blood containing 108.4 pfu/ml of either WT or SP virus, incubated at 27°C, and harvested at 7 or 14 days post-feeding (PF). Virus recovered from each mosquito body was titered on Vero cells; each symbol represents the titer from an individual mosquito. The mean titer of SP was significantly less than WT at both 7 and 14 days PF by t-test (P7 = 0.001; P14=0.001). For both SP and WT the mean titer at 7 day PF was significantly lower than at 14 day PF by t-test (PSP=0.012; PWT=0.001).