1. Division of Foodborne, Waterborne, and Environmental Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia;
2. Centre for Global Health Research, Kenya Medical Research Institute, Kisumu, Kenya;
3. Centers for Disease Control and Prevention, Kenya Medical Research Institute, Kisumu, Kenya;
4. Center for Vaccine Development, School of Medicine, University of Maryland, Baltimore, Maryland;
5. Division of Global Health Protection, Center for Global Health, Centers for Disease Control and Prevention, Atlanta, Georgia;
6. Centers for Disease Control and Prevention India, Delhi, India;
7. School of Public Health, Georgia State University, Atlanta, Georgia;
8. Emory Global Health Institute, Emory University, Atlanta, Georgia
9. Centers for Disease Control and Prevention, Nairobi, Kenya;
10. Department of Pediatrics, University of Virginia School of Medicine, Charlottesville, Virginia;