Hepatitis A vaccine gains marketing approval.
D017277:Drug Approval; D006506:Hepatitis A / Q000517:prevention & control; D022362:Hepatitis A Vaccines; D017957:Hepatitis A Virus, Human / Q000276:immunology*; D006801:Humans; D014481:United States; D014486:United States Food and Drug Administration; D015164:Vaccines, Inactivated; D014761:Viral Hepatitis Vaccines
D022362:Hepatitis A Vaccines; D015164:Vaccines, Inactivated; D014761:Viral Hepatitis Vaccines