DR P. MARAZZI / SCIENCE PHOTO LIBRARY DR P. MARAZZI / SCIENCE PHOTO LIBRARY
Mumps. Close-up of the swollen face of a 14-year-old male patient with mumps. Mumps (epidemic parotitis) is a viral infection of the parotid salivary gland located beneath the ear that causes visible swelling of the face. This patient had already been immunised against mumps with the MMR (measles mumps and rubella) vaccine.
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