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Disease Name: Mumps


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Please review the Idaho Reportable Disease Rules (IDAPA 16.02.10) for the most up-to-date information.

Idaho Department of Health and Welfare. (2016). Investigative Guidelines. Boise, ID:  Division of Public Health.


Overview / Case Definition

Case classification

Confirmed

A positive mumps laboratory confirmation for mumps virus with reverse transcription polymerase chain reaction (RT-PCR) or culture in a patient with an acute illness characterized by any of the following:

Probable

Acute parotitis or other salivary gland swelling lasting at least 2 days, or orchitis or oophoritis unexplained by another more likely diagnosis, in:

Suspect


Restrictions

A person with mumps must be restricted from daycare, school, or work for five days after the onset of parotid swelling.


Reporting

Within 3 working days

Reportable by Healthcare and Labs:

Reportable by Food Service Facility:

Suspect Reportable:

Reporting Timeframe: Within 3 working days



Diagnosis / Testing

Mumps can be confirmed by isolation of mumps virus or by detection of mumps virus nucleic acid via reverse transcriptase-polymerase chain reaction assay in specimens from buccal swabs, throat washings, saliva, or spinal fluid. By detection of mumps-specific immunoglobulin M antibody or by a significant increase between acute and convalescent titers in serum mumps IgG antibody titer.


Treatment

Restrictions for exposed healthcare personnel

Healthcare personnel who lack presumptive evidence of mumps immunity who have had an unprotected exposure to patients with mumps (i.e., being within three feet without the use of PPE) should be excluded from duty from the 12th day after first exposure through the 25th day after last exposure. Mumps vaccine cannot be used to prevent the development of mumps after exposure. Hence, previously unvaccinated healthcare personnel who receive a 1st dose of vaccine after an exposure are considered non-immune and must be excluded from the 12th day after the first exposure to mumps through the 25th day after the last exposure. Healthcare personnel who had been previously vaccinated for mumps, but received only one dose of mumps vaccine may continue working following an unprotected exposure to mumps. Such workers should receive a 2nd dose as soon as possible, but no sooner than 28 days after the first.

Vaccination is not a treatment but a preventive action

Vaccination Recommendations

Children

CDC recommends that children routinely receive get two doses of MMR vaccine:

Children can receive the second dose earlier as long as it is at least 28 days after the first dose.

Students at post-high school educational institutions

Students at post-high school educational institutions, such as college, trade schools, and training programs, who do not have evidence of immunity (protection) against mumps need two doses of MMR vaccine, separated by at least 28 days.

Adults

People who are born during or after 1957 who do not have evidence of immunity against mumps should get at least one dose of MMR vaccine.

International travelers

Healthcare personnel

Healthcare personnel should have documented evidence of immunity against mumps, according to the recommendations of the Advisory Committee on Immunization Practices.


Additional Information

Idaho Department of Health and Welfare. (2016). Investigative Guidelines. Boise, ID:  Division of Public Health.


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