title: Viral hepatitis.
mesh_terms: D006505:Hepatitis / Q000382:microbiology; D006506:Hepatitis A / Q000276:immunology / Q000635:transmission; D006509:Hepatitis B / Q000276:immunology / Q000635:transmission; D006525:Hepatitis, Viral, Human / Q000276:immunology / Q000635:transmission; D006801:Humans