Filtering by: Committee Omer, Saad B, Emory University Remove constraint Committee: Omer, Saad B, Emory University Department / Specialty Biological and Biomedical Sciences Remove constraint Department / Specialty: Biological and Biomedical Sciences Keyword Herd effect Remove constraint Keyword: Herd effect Keyword Streptococcus pneumoniae Remove constraint Keyword: Streptococcus pneumoniae