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. Author manuscript; available in PMC: 2016 Nov 1.
Published in final edited form as: Virology. 2015 Jul 25;485:79–85. doi: 10.1016/j.virol.2015.07.004

Figure 5.

Figure 5

Overwintering of WNV in southern CA. (A) The MCC phylogeny of WNV, with the areas of interest highlighted. (B) A close-up view of one branch from the MCC phylogeny, with winter isolate COAV179_2011 highlighted. (B) A close-up view of another branch from the MCC phylogeny, with winter isolate GRLA6143_2007 highlighted. Isolate names include location of collection, isolate number, and date of collection in decimal format.

WNV was introduced into California at least 5 times.

The SW03 genotype of WNV was constrained to southern California.

The SW03 genotype spread with a more rapid dispersal rate than the WN02 genotype.

The overall dispersal rate of WNV has decreased dramatically since its emergence.

WNV overwintered in California in Culex mosquitoes.