Commonest complication of mumps is -: (A) Orchitis and oophritis, (B) Encephalitis, (C) Pneumonia, (D) Myocarditis
Answer is A. Epididymo orchitis is a complication seen in about a third of post pubeal male patients. REF:ANATHANARAYAN AND PANIKER'S TEXTBOOK OF MICROBIOLOGY 9TH EDITION PAGE NO:508