Affiliation: | Centre for Vaccine Sciences, International Centre for Diarrhoeal Disease Research, Bangladesh, Dhaka, Bangladesh; Division of Infectious Diseases, Massachusetts General Hospital, Boston, Massachusetts, USA; Departments of Medicine, Pediatrics, and Microbiology and Molecular Genetics, Harvard Medical School, Boston, Massachusetts, USA; and Department of Immunology and Infectious Diseases, Harvard School of Public Health, Boston, Massachusetts, USA |