Mumps virus: Difference between revisions
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==Overview== | ==Overview== | ||
==Causes and risks== | |||
The mumps are caused by a [[paramyxovirus]], and are spread from person to person by [[saliva]] [[droplet]]s or direct contact with articles that have been contaminated with infected saliva. The [[parotid glands]] (the salivary glands between the ear and the jaw) are usually involved. Unvaccinated children between the ages of 2 and 12 are most commonly infected, but the infection can occur in other age groups. [[Orchitis]] (swelling of the [[testes]]) occurs in 10–20% of infected males, but sterility only rarely ensues; a [[viral meningitis]] occurs in about 5% of those infected. In older people, the [[central nervous system]], the [[pancreas]], the [[prostate]], the [[breast]]s, and other organs may be involved. | |||
The [[incubation period]] is usually 18 to 21 days, but may range from as few as 12 to as many as 35 days.<ref name=Barron /> Mumps is generally a mild illness in children in developed countries. After adolescence, mumps tends to affect the ovary, causing [[oophoritis]], and the testes, causing [[orchitis]]. The mature testis is particularly susceptible to damage from mumps which can lead to infertility. Adults infected with mumps are more likely to develop severe symptoms and complications. | |||
==References== | ==References== |
Revision as of 21:54, 8 February 2012
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Overview
Causes and risks
The mumps are caused by a paramyxovirus, and are spread from person to person by saliva droplets or direct contact with articles that have been contaminated with infected saliva. The parotid glands (the salivary glands between the ear and the jaw) are usually involved. Unvaccinated children between the ages of 2 and 12 are most commonly infected, but the infection can occur in other age groups. Orchitis (swelling of the testes) occurs in 10–20% of infected males, but sterility only rarely ensues; a viral meningitis occurs in about 5% of those infected. In older people, the central nervous system, the pancreas, the prostate, the breasts, and other organs may be involved.
The incubation period is usually 18 to 21 days, but may range from as few as 12 to as many as 35 days.[1] Mumps is generally a mild illness in children in developed countries. After adolescence, mumps tends to affect the ovary, causing oophoritis, and the testes, causing orchitis. The mature testis is particularly susceptible to damage from mumps which can lead to infertility. Adults infected with mumps are more likely to develop severe symptoms and complications.