title: Emergence of group B streptococci as major perinatal pathogens.
mesh_terms: D001431:Bacteriological Techniques; D002353:Carrier State; D005260:Female; D006801:Humans; D007116:Immunization, Passive; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases / Q000209:etiology* / Q000382:microbiology; D010406:Penicillins / Q000627:therapeutic use; D011247:Pregnancy; D013290:Streptococcal Infections / Q000209:etiology* / Q000517:prevention & control; D013292:Streptococcus agalactiae / Q000302:isolation & purification / Q000472:pathogenicity; D014621:Vagina / Q000382:microbiology
chemical_list: D010406:Penicillins