Mumps - liars tell us it is harmless

MUMPS
A child with mumps with swelling (edema) of the neck and pre-sternal area and erythema (cellulitis) of the neck area. Mumps meningoencephalitis and unilateral deafness were commonplace prior to routine immunization with the mumps vaccine.

Image from: Visual Red Book on CD-ROM
(2000 Red Book: 25th Edition, Report of the Committee on Infectious Diseases)
Thank you to the American Academy of Pediatrics