The birth canal as the origin of primary infantile infections.
D003141:Communicable Diseases; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases; D014621:Vagina / Q000382:microbiology*
INFANT, NEWBORN/diseases; VAGINA/microbiology