| avian hosts of west nile virus in puerto rico. | abstract west nile virus (wnv) ecology in neotropical ecosystems is poorly understood, and vertebrate hosts responsible for infecting mosquitoes remain unidentified throughout the caribbean basin. after a period of intense wnv transmission among sentinel chickens near ceiba, puerto rico, we measured abundance of resident birds and species-specific prevalence of wnv infection. taking the product of these measures indicates the relative number of wnv infections by species. greater antillean grac ... | 2011 | 21923260 |