Judy A. St. Leger
, Guang Wu, Mark Anderson, Les Dalton, Erika Nilson, and David Wang
Figure. Brain specimen from killer whale (Orcinus orca) with West Nile virus infection that died at a marine park, San Antonio, Texas, USA, 2007. Neurons and glial cells demonstrate abundant intracytoplasmic West Nile viras antigen. Blood vessel demonstrates mild vasculitis and perivascular lymphocytic infiltrate. Original magnification ×200.