Clinical and epidemiologic observations of bovine viral diarrhea virus in the northwestern United States

Veterinary Microbiology - Tập 89 - Trang 129-139 - 2002
James F Evermann1, Julia F Ridpath2
1Washington Animal Disease Diagnostic Laboratory, Department of Veterinary Clinical Sciences, College of Veterinary Medicine, Washington State University, Pullman, WA 99164, USA
2USDA Virus and Prion Diseases of Livestock, National Animal Disease Center, ARS, USDA, 2300 Dayton Avenue, Ames, IA 50010, USA