GBS colonisation in mothers and babies.
D002353:Carrier State; D003428:Cross Infection; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D011247:Pregnancy; D011251:Pregnancy Complications, Infectious / Q000453:epidemiology; D013290:Streptococcal Infections / Q000453:epidemiology / Q000635:transmission; D013292:Streptococcus agalactiae