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A Multi-scale Analysis of Influenza A Virus Fitness Trade-offs due to Temperature-dependent Virus Persistence
Figure 8
Normalized Fitness as measured by 
and 
for direct transmission and environmental transmission.
The dashed vertical lines indicate the level of 
above which 
becomes so large that no infection takes place (c.f. horizontal line in figure 7). Note that results for 
and 
are virtually indistinguishable and therefore the curves are on top of each other.
doi: https://doi.org/10.1371/journal.pcbi.1002989.g008