Immunisation of infants at high risk of hepatitis B.
D000328:Adult; D002353:Carrier State; D005260:Female; D006509:Hepatitis B / Q000517:prevention & control*; D006801:Humans; D007114:Immunization; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases / Q000517:prevention & control*; D008297:Male; D008875:Middle Aged; D011247:Pregnancy; D012306:Risk