| west nile virus serosurveillance in iowa white-tailed deer (1999-2003). | sera from white-tailed deer (odocoileus virginianus) were collected in iowa during the winter months (1999-2003), 2 years before and after west nile virus (wnv) was first reported in iowa (2001), and were analyzed for antibodies to wnv. samples from 1999 to 2001 were antibody negative by blocking enzyme-linked immunosorbent assay (belisa) and plaque reduction neutralization test (prnt(90)). prevalence derived from belisa (2002, 12.7%; 2003, 11.2%) and wnv prnt(90) (2002, 7.9%; 2003, 8.5%) assays ... | 2005 | 16354809 |