Assertion: mosquito's population | /r/HasProperty | gotten for encephalitis outbreak like wnv
Facets:
value: out of hand
type: MANNER
value: like wnv
type: OTHER
Source sentences:
text: Killing adult mosquitoes should be a backup system, used when mosquito populations have gotten out of hand for some reason or another, such as an unseasonable emergence of mosquitoes during a spell of warm weather or an encephalitis outbreak like WNV.