Early onset group B streptococcal disease.
D006801:Humans; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases / Q000453:epidemiology* / Q000401:mortality; D012189:Retrospective Studies; D013290:Streptococcal Infections / Q000453:epidemiology* / Q000401:mortality; D013292:Streptococcus agalactiae; D013997:Time Factors