Surveillance for West Nile virus in horses.
Drummond
Richard
R
D000818:Animals; D006734:Horse Diseases / Q000453:epidemiology*; D006736:Horses; D011159:Population Surveillance; D014901:West Nile Fever / Q000453:epidemiology / Q000662:veterinary* / Q000821:virology; D014902:West Nile virus / Q000302:isolation & purification*