Parotitis and orchitis are common manifestations of:: (A) Diphtheria, (B) Measles, (C) Rubella, (D) Mumps
Answer is D. d. Mumps(Ref: Nelsons' 20/e p 1552-1553, Chai 8/e p 217-218)Mumps is characterized by fever, bilateral or unilateral parotid swelling and tenderness, and the frequent occurrence of meningoencephalitis and orchitis.