Causes of Mumps

Mumps Causes: Book Excerpts

• Causes and incidence - Mumps
• Mumps/Parotitis - pathophysiology - Mumps/Parotitis

Related information on causes of Mumps:

As with all medical conditions, there may be many causal factors. Further relevant information on causes of Mumps may be found in:

• Risk factors for Mumps
• Contagiousness for Mumps
• Hidden causes of Mumps

Causes of Mumps: Online Medical Books

16 MEDICAL BOOKS ONLINE! Review excerpts from medical books online, free, without registration, for more information about the causes of Mumps.

Mumps: Causes and incidence
(Professional Guide to Diseases (Eighth Edition))

The mumps paramyxovirus is found in the saliva of an infected person and is transmitted by droplets or by direct contact. The virus is present in the saliva 6 days before to 9 days after onset of parotid gland swelling; the 48-hour period immediately preceding onset of swelling is probably the time of highest communicability. The incubation period ranges from 14 to 25 days (the average is 18). One attack of mumps (even if unilateral) almost always confers lifelong immunity.

Mumps is most prevalent in children between ages 6 and 8. Infants younger than age 1 seldom get this disease because of the passive immunity received from maternal antibodies. Peak incidence occurs during late winter and early spring.

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Source: Professional Guide to Diseases (Eighth Edition), 2005

Mumps/Parotitis: Mumps/Parotitis - pathophysiology
(The 5-Minute Pediatric Consult)

• The virus is spread by contact with respiratory secretions.
• The mumps virus enters via the respiratory tract, and a viremia ultimately ensues.
• The viremia spreads to many organs, including the salivary glands, gonads, pancreas, and meninges.
• Period of communicability: 7 days before to 9 days after onset of parotid swelling
• Most communicable period: 1–2 days before to 5 days after onset of parotid swelling
• Incubation period: 12–25 days after exposure
• Humans are the only known host for mumps.

Mumps/Parotitis - etiology

• Parotitis is usually caused by mumps, a Rubulavirus in the paramyxovirus family.
• Other viral causes of parotitis include cytomegaloviruses, influenza, parainfluenza, and enteroviruses.
• Bacterial cases are usually secondary to Staphylococcus aureus (suppurative parotitis):
  • Streptococci, Gram-negative bacilli, and anaerobic infections are also possible.
• Recurrent parotitis is an idiopathic, rare, recurrent swelling of the parotids, without suppuration or external inflammatory changes.
• Rare childhood cases may be secondary to an obstructing calculus, foreign body (sesame seed), or various drugs (antihistamines, phenothiazines, iodine-containing drugs/contrast media).

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Source: The 5-Minute Pediatric Consult, 2008

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