What is Mumps?

What is Mumps?

What is Mumps?

Mumps virus is a paramyxovirus, an infectious agent consisting of a single-stranded RNA genome.(1) It is transmitted through respiratory secretions and the infection begins in the nasopharynx and lymph nodes. Generally, after exposure, an incubation period ranging from 12 to 25 days is required before symptoms appear(2), which include headache, muscle pain, tiredness and loss of appetite(3). During this period, the virus circulates in the blood and infects various tissues of the body(4).

Swelling of the parotid glands (mumps), located on one or both sides of the face below the ears and near the chin, is the most distinctive sign of the infection and generally appears in the first two days(5). Approximately 30% of infected people show no symptoms (asymptomatic), while up to 50% begin with only mild signs of non-specific disease(6). Mumps is typically a mild disease that occurs most often in childhood; however, it can lead to complications, although most of them occur in adults.(7)

Complications include inflammation of the testes in males, inflammation of the breast tissue and ovaries in females, meningitis, encephalitis and hearing loss. Long-term consequences, such as fertility problems, are rare, however(8). Mumps rarely lead to death(9) and most patients recover completely within a few weeks(10).

A swab taken within three days of the onset of mumps is the preferred method for diagnosing a mumps infection. A blood test may also be done to confirm the presence of mumps antibodies (IgM) collected soon after the onset of symptoms, although mumps IgM may also be present if collected soon after the mumps vaccination.(11)

IMPORTANT NOTE: Corvelva invites you to get in-depth information by reading all the sections and links, as well as the manufacturer's product leaflets and technical data sheets, and to speak with one or more trusted professionals before deciding to vaccinate yourself or your child. This information is for informational purposes only and is not intended as medical advice.

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