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Mumps: Epidemic parotitis 

Mumps: Epidemic parotitis
Mumps: Epidemic parotitis

B.K. Rima

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date: 26 February 2021

Mumps is an acute, systemic, highly infectious, communicable infection of children and young adults, caused by a paramyxovirus (with an RNA genome). Transmission is by airborne droplet spread. After an incubation period of 14–18 days, typical presentation is with fever, pain near the angle of the jaw, and swelling of the parotid glands. Complications include orchitis, meningitis, and encephalitis. Diagnosis is obvious clinically in cases with a contact history and parotitis, but serological (mumps-specific IgM and IgA) and RNA-based (RT-PCR) tests are used when this is not the case (e.g. the patient presenting with meningitis). Treatment is symptomatic. Prevention is by vaccination, often given as one component of a trivalent mumps/measles/rubella vaccine at 14–16 months of age. A follow-up vaccination is now recommended at 4–5 years of age.

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