1. Department of Microbiology and Immunology, Cornell University, College of Veterinary Medicine, Ithaca, NY 14853, USA.
2. Department of Microbiology, Cornell University, College of Agriculture and Life Sciences, Ithaca, NY 14853, USA.
3. Department of Biomedical Sciences, Cornell University, College of Veterinary Medicine, Ithaca, NY 14853, USA.
4. Department of Microbiology and Immunology, University of Rochester, Rochester, NY 14642, USA.
5. Cornell Institute of Host-Microbe Interactions and Defense; Cornell Center for Immunology, Cornell University, Ithaca, NY 14853, USA.
6. Cornell Center for Health Equity, Cornell University, Ithaca, NY 14853, USA.