Assertion: lateral transmission | /r/CapableOf | play role
Facets:
Source sentences:
text: Studies on different heron species which are geographically isolated populations suggest that lateral transmission, virus adaptation and environmental factors all play a role in HHBV spreading and evolution, but it is not clear whether HHBV infection occurs at all in free-living herons, due to the possibility of cross-species virus transmission.
text: Studies on different heron species which are geographically isolated populations suggest that lateral transmission, virus adaptation and environmental factors all play a role in HHBV spreading and evolution, but it is not clear whether HHBV infection occurs at all in free-living herons, due to the possibility of cross-species virus transmission.