Figure 2.

Distribution of relative fitness values among 40 biological clones of WNV following passage on mosquito cell culture (WNV CP40). Relative fitness refers to the proportion of individual WNV CP40 clones relative to the control virus (WNV MARM) following 72 h of competition on mosquito cell culture. The solid line represents the mean +/- standard deviation and the dotted line represents the fitness of the combined population. The circled data point represents the highest fitness clone isolated, WNV CP40-12.

Ciota et al. BMC Evolutionary Biology 2012 12:58   doi:10.1186/1471-2148-12-58
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