Should homosexuals be vaccinated against hepatitis B virus?
D006509:Hepatitis B / Q000517:prevention & control*; D006515:Hepatitis B virus / Q000276:immunology; D006716:Homosexuality; D006801:Humans; D008297:Male; D014611:Vaccination / Q000191:economics*; D014765:Viral Vaccines / Q000008:administration & dosage
D014765:Viral Vaccines