title: Viral hepatitis.
mesh_terms: D002353:Carrier State; D006506:Hepatitis A / Q000175:diagnosis; D006509:Hepatitis B / Q000175:diagnosis / Q000635:transmission; D006514:Hepatitis B Surface Antigens; D006525:Hepatitis, Viral, Human / Q000150:complications / Q000517:prevention & control / Q000628:therapy*; D006801:Humans; D007116:Immunization, Passive
chemical_list: D006514:Hepatitis B Surface Antigens