Parotitis and orchitis are common manifestations of:
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.
Diphtheria
Measles
Rubella
Mumps
General Considerations - Infectious Diseases