If their responses are strong enough , they can reduce the average per capita risk and offset the increases in the risk of transmission associated with higher prevalence .
In contrast , when behavior is endogenous and elastic , hosts can act to reduce their risks .
If hosts ' responses are strong enough , hosts can reduce the average per capita risk and offset the increases in the risk of transmission associated with higher prevalence .
In contrast , when behavior is endogenous and elastic , hosts can act to reduce their risks .