West Nile Virus In Ontario Standardbred
… located in the Regional Municipality of Waterloo, displayed clinical signs on Aug. 9 … She tested positive for WNV by PCR and was euthanized. West Nile virus (WNV) is a … fever (101.5-103.5°F or 38.6-39.7°C) in about 25% of affected horses Lack of appetite …