Group B streptococci in a maternity unit.
D005260:Female; D006801:Humans; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases / Q000382:microbiology*; D008431:Maternal-Fetal Exchange; D011247:Pregnancy; D013290:Streptococcal Infections / Q000382:microbiology*; D013291:Streptococcus / Q000302:isolation & purification*; D014621:Vagina / Q000382:microbiology; D014626:Vaginal Smears