Current therapy: hepatitis B vaccine.
D002648:Child; D002675:Child, Preschool; D002986:Clinical Trials as Topic; D004311:Double-Blind Method; D006515:Hepatitis B virus / Q000276:immunology*; D006801:Humans; D007223:Infant; D008297:Male; D014765:Viral Vaccines / Q000008:administration & dosage / Q000276:immunology*
D014765:Viral Vaccines