Filtering by: Department Biological and Biomedical Sciences Remove constraint Department: Biological and Biomedical Sciences Keyword Herd effect Remove constraint Keyword: Herd effect Keyword Staphylococcus aureus Remove constraint Keyword: Staphylococcus aureus Keyword Streptococcus pneumoniae Remove constraint Keyword: Streptococcus pneumoniae Submission Type Dissertation Remove constraint Submission Type: Dissertation