title: Viral arthritis.
mesh_terms: D001170:Arthritis, Infectious / Q000175:diagnosis* / Q000276:immunology; D006506:Hepatitis A / Q000175:diagnosis; D006801:Humans; D009107:Mumps / Q000175:diagnosis; D012409:Rubella / Q000175:diagnosis; D014777:Virus Diseases / Q000175:diagnosis*