Beyond Mortality: Sterility As a Neglected Component of Parasite Virulence.
Virulence is generally defined as the reduction in host fitness following infection by a parasite (see Box 1 for glossary) [1].In general, parasite exploitation of host resources may reduce host Toe downs survival (mortality virulence), decrease host fecundity (sterility virulence), or even have sub-lethal effects that disturb the way individuals i