Assertion: pathogen | /r/HasProperty | infectious
Facets:
value: for long periods
type: TEMPORAL
value: in the infected host
type: LOCATION
value: potentially
type: DEGREE
Source sentences:
text: To persist in such a population, a pathogen either had to be a chronic infection, staying present and potentially infectious in the infected host for long periods, or it had to have other additional species as reservoir where it can maintain itself until further susceptible hosts are contacted and infected.