This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Virology, Subject name: Microbiology
Commonest complication of mumps is - 
Select and explain. 
A. Orchitis and oophritis, B. Encephalitis, C. Pneumonia, D. Myocarditis
A: Orchitis and oophritis
Answer: A: Orchitis and oophritis 
Explanation: 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