1. Department of Ecology, Evolution, and Environmental Biology, Columbia University, 1200 Amsterdam Ave, New York, NY 10027, USA
2. Laboratory of Virology, Division of Intramural Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, 903 S. 4th St, Hamilton, MT 59840, USA
3. Paul G. Allen School for Global Animal Health, Washington State University, 1155 College Ave, Pullman, WA 99164, USA
4. Department of Microbiology and Immunology, Albert Einstein College of Medicine, 1300 Morris Park Ave, Bronx, NY 10462, USA
5. Gorilla Doctors, c/o MGVP, Inc., 1089 Veterinary Medicine Drive, Davis, CA 95616, USA
6. Makerere University Walter Reed Project, Plot 42, Nakasero Road, Kampala, Uganda
7. Makerere University, College of Veterinary Medicine, Living Stone Road, Kampala, Uganda
8. Center for Infection and Immunity, Mailman School of Public Health, Columbia University, 722 W 168th St, New York, NY 10032, USA
9. One Health Institute and Karen C. Drayer Wildlife Health Center, School of Veterinary Medicine, University of California Davis, 1089 Veterinary Medicine Drive, Davis, CA 95616, USA
10. Department of Microbiology and Immunology, University of North Carolina School of Medicine, 125 Mason Farm Road, Chapel Hill, NC 27599, USA
11. Cary Institute of Ecosystem Studies, 2801 Sharon Turnpike, Millbrook, NY 12545, USA
12. Department of Ecology and Evolutionary Biology, University of California Los Angeles, 612 Charles E. Young Drive South, Los Angeles, CA 90095, USA
13. Department of Pathology, Microbiology, and Immunology, School of Veterinary Medicine, University of California Davis, One Shields Avenue, Davis, CA 95616, USA