West Nile virus survives winter; no surprise, says CDC.
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D000818:Animals; D001715:Bird Diseases / Q000821:virology*; D003237:Connecticut; D003465:Culex / Q000821:virology*; D004197:Disease Reservoirs; D006801:Humans; D007303:Insect Vectors / Q000821:virology*; D009519:New York City; D020304:Raptors / Q000821:virology*; D012621:Seasons; D014901:West Nile Fever / Q000635:transmission*; D014902:West Nile virus / Q000302:isolation & purification*; D015047:Zoonoses