<prompt> Which of the following is true of mumps ?Salivary gland involvement is limited to the parotidsThe patient is not infectious prior to clinical parotid enlargementMenigoencephalitis can precede parotitisMumps orchitis frequently leads to infeility  <response>: Ans. is c i.e., Meningoencephalitis can precede parotitis Aseptic meningitis may develop before, during, after or in the absence of parotitis. About other options o Mainly parotid glands are involved, but sublingual and submaxillary glands may also be involved. o Patient is infectious 4-6 days before the onset of swelling. Sterility after mumps orchitis is rare. 