| serologic evidence of west nile virus infection in three wild raptor populations. | we assayed for west nile virus (wnv) antibodies to determine the presence and prevalence of wnv infection in three raptor populations in southeast wisconsin during 2003-04. this study was conducted in the framework of ongoing population studies that started before wnv was introduced to the study area. for 354 samples, 88% of 42 adult cooper's hawks (accipiter cooperii), 2.1% of 96 nestling cooper's hawks, 9.2% of 141 nestling red-tailed hawks (buteo jamaicensis), and 12% of 73 nestling great hor ... | 2005 | 16252490 |