Perinatally acquired viral infections.
D002644:Chickenpox / Q000151:congenital*; D003384:Coxsackievirus Infections / Q000151:congenital; D003586:Cytomegalovirus Infections / Q000151:congenital* / Q000276:immunology; D004769:Enterovirus Infections / Q000151:congenital*; D006509:Hepatitis B / Q000151:congenital*; D006561:Herpes Simplex / Q000151:congenital* / Q000188:drug therapy / Q000276:immunology; D006801:Humans; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases / Q000209:etiology*