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The following text is from an archived Red Book® edition and may not reflect current recommendations or information. To view the current edition, click here.

The first 300 words of the full text of this section appear below.

Section 3. Summaries of Infectious Diseases

Mumps

Clinical Manifestations
Etiology
Epidemiology
Diagnostic Tests
Treatment
Isolation of the Hospitalized Patient
Control Measures

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CLINICAL MANIFESTATIONS: Mumps is a systemic disease characterized by swelling of one or more of the salivary glands, usually the parotid glands. Approximately one third of infections do not cause clinically apparent salivary gland swelling and may manifest primarily as respiratory tract infection. More than 50% of people with mumps have cerebrospinal fluid pleocytosis, but fewer than 10% have symptoms of central nervous system infection. Orchitis is a common complication after puberty, but sterility rarely occurs. Other rare complications include arthritis, thyroiditis, mastitis, glomerulonephritis, myocarditis, endocardial fibroelastosis, thrombocytopenia, cerebellar ataxia, transverse myelitis, ascending polyradiculitis, pancreatitis, oophoritis, and hearing impairment. In the absence of immunization, mumps typically occurs during childhood. Infection occurring among adults is more likely to be severe, and death resulting from mumps and its complications, although rare, occurs most often in adults. Mumps during the first trimester of pregnancy is associated with an increased rate of spontaneous abortion. Although mumps can cross the placenta, no evidence exists that this results in congenital malformation.


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ETIOLOGY: Mumps is caused by an RNA virus classified as a Rubulavirus in the Paramyxoviridae family. Other causes of parotitis include infection with cytomegalovirus, parainfluenza virus types 1 and 3, influenza A virus, coxsackieviruses and other enteroviruses, lymphocytic choriomeningitis virus, human immunodeficiency virus (HIV), Staphylococcus aureus, nontuberculous mycobacterium, and less often, other gram-positive and gram-negative bacteria; salivary duct calculi; starch ingestion; drug reactions (eg, phenylbutazone, thiouracil, iodides); and metabolic disorders (diabetes mellitus, cirrhosis, and malnutrition).


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EPIDEMIOLOGY: Mumps occurs worldwide, and humans are the only known natural hosts. The virus is spread by contact with infected respiratory tract secretions. Historically, the peak incidence was between January and May; however, seasonality no longer is evident . . . [Go to Full Text]


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