Filtering by: Committee Stephens, David S, Emory University Remove constraint Committee: Stephens, David S, Emory University Department Biological and Biomedical Sciences Remove constraint Department: Biological and Biomedical Sciences Keyword Herd effect Remove constraint Keyword: Herd effect Keyword Streptococcus pneumoniae Remove constraint Keyword: Streptococcus pneumoniae Submission Type Dissertation Remove constraint Submission Type: Dissertation