Viral hepatitis.
D003428:Cross Infection / Q000517:prevention & control; D006518:Hepatitis Viruses / Q000276:immunology; D006525:Hepatitis, Viral, Human / Q000175:diagnosis* / Q000517:prevention & control / Q000635:transmission; D006801:Humans; D007116:Immunization, Passive; D014765:Viral Vaccines / Q000627:therapeutic use
D014765:Viral Vaccines