1. Department of Pathology, Microbiology and Immunology, School of Veterinary Medicine, University of California, Davis, CA 95616, USA
2. Department of Microbiology, Icahn School of Medicine at Mount Sinai, NY 10029, USA
3. Physiology and Ocean Health Program, Hubbs-SeaWorld Research Institute, San Diego, CA 92109, USA
4. The Marine Mammal Center, Sausalito, CA 94965, USA
5. Department of Veterinary Medicine, University of Maryland, College Park, MD 20742, USA
6. Ecology Program, Hubbs-SeaWorld Research Institute, San Diego, CA 92109, USA