1. Department of Ophthalmology and Department of Microbiology, Immunology, and Parasitology, LSU Eye Center, Louisiana State University Health Science Center School of Medicine, New Orleans, LA 70112, USA.
2. Department of Pediatric Infectious Diseases, University of Alabama at Birmingham, Birmingham, AL 35294, USA.
3. Division of Infectious Diseases, Cincinnati Children’s Hospital Medical Center, University of Cincinnati, Cincinnati, OH 45229, USA.
4. National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892, USA.
5. Center for Biologics Evaluation and Research, Food and Drug Administration, Bethesda, MD 20852, USA.
6. Department of Microbiology and Immunology, Harvard Medical School, Boston, MA 02115, USA.
7. Harvard Program in Virology, Harvard Medical School, Boston, MA 02115, USA.