| pathogenicity of west nile virus and response to vaccination in sandhill cranes (grus canadensis) using a killed vaccine. | west nile virus was introduced into the united states in the vicinity of new york, new york, usa in 1999. the virus has since killed large numbers of birds nationwide, especially, but not limited to, crows (corvus brachyrhinchos). one sandhill crane (grus canadensis) at the bridgeport zoo (bridgeport, connecticut, usa) reportedly died from west nile virus, so sandhill cranes and endangered whooping cranes (grus americana), both in the wild and in captive breeding colonies at united states geolog ... | 2009 | 19569472 |