Assertion: pathogen's virulence | /r/HasProperty | costly
Facets:
value: from a few others.31–33
type: OTHER
Source sentences:
text: Although it remains unclear how ubiquitous these costs to resistance and infectivity might be, there is strong evidence that host resistance is costly from at least a few studies27–30 and that parasite virulence is costly from a few others.31–33