{"fact":"West Nile virus can persist through the winter in crow roosts, even when mosquitoes aren't active, primarily through crow-to-crow transmission.","context":"Our findings strongly suggest that winter crow roosts could allow for WNV persistence through the winter, and our model results provide synthesis to explain inconclusive results from field studies on WNV overwintering in crow roosts.","source":"Diego Montecino-Latorre; Christopher M. Barker, Overwintering of West Nile virus in a bird community with a communal crow roost, 10.1038/s41598-018-24133-4","index":536}