USDA - APHIS - Animal Health Monitoring & Surveillance

West Nile Virus - States with Equine Cases

West Nile Virus, 2008 - States with Equine Cases
Total Cases as of March 11, 2009 - 179

Map of U.S.

West Nile Virus, 2007 - States with Equine Cases
Total Cases - 468

equine West Nile virus cases for 2007 map

West Nile Virus, 2006 - States with Equine Cases
Total Cases - 1,086

West Nile Virus, 2005 - States with Equine Cases
Total Cases - 1,088

West Nile Virus, 2004 - States with Equine Cases
Total Cases - 1,406

West Nile Virus, 2003 - States with Equine Cases
Total Cases - 5,181

West Nile Virus, 2002 - States with Equine Cases
Total Cases - 15,257

West Nile Virus, 2001 - States with Equine Cases
Total Cases - 738

West Nile Virus, 2000 - States with Equine Cases
Total Cases - 60

West Nile Virus, 1999 - States with Equine Cases
Total Cases - 25