1 Department of Dermatology, University of Rochester Medical Center, Rochester, New York, USA. Electronic address: matthew_brewer@urmc.rochester.edu.
2 Viral Immunology Branch, U.S. Army Medical Research Institute of Infectious Disease, Frederick, Maryland, USA; The Geneva Foundation, Tacoma, Washington, USA.
3 Department of Microbiology and Immunology, University of Rochester Medical Center, Rochester, New York, USA.