Affiliation: | a Bernard and Gloria Salick Equine Viral Disease Laboratory, Department of Pathology, Microbiology and Immunology, School of Veterinary Medicine, University of California, Davis, CA 95616, USA b Molecular Virology Laboratory, Department of Medical Microbiology, Center for Infectious Diseases, Leiden University Medical Center, Leiden, The Netherlands c Department of Biology, University of Texas at San Antonio, San Antonio, TX 78249, USA |