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. 2010 Mar 24;277(1691):2247–2255. doi: 10.1098/rspb.2010.0188

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© 2010 The Royal Society

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Figure 3. — ESS variations with sex-specific infection rates β_f (horizontal axes) and β_m (vertical axes). Lighter shades represent higher values of the trait at the ESS. Circled crosses (⊕) indicate regions (delimited by solid lines) where females evolve higher immunocompetence than males. (a) Model (i), variations in female (left panel) and male (right panel) recovery rates at the ESS; the dashed line shows where the prevalence of infection in males at the ESS is 50%; note the different scales on the horizontal and vertical axes. (b) Model (ii), variations in female (left panel) and male (right panel) relative fecundity during infection at the ESS. (c) Model (iii), variations in female (left panels) and male (right panels) traits at the ESS: recovery rate in the upper row and relative fecundity during infection in the lower row.