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Reporting Mumps

Information on this page was adapted from the Manual for the Surveillance of Vaccine-Preventable Diseases (4th Edition, 2008), Chapter 9: Mumps

Information to Collect

A detailed case investigation of each case should be conducted. Basic demographic information (age, race or ethnicity, sex, county, and country of birth), date of onset of symptoms, and mumps vaccination history allow cases to be characterized and also allow identification of groups at increased risk of disease.

The following data elements are epidemiologically important and should be collected in the course of a case investigation. Additional information may be collected at the direction of the state health department.

Demographic Information

  • Name
  • Address
  • Date of birth
  • Age
  • Sex
  • Ethnicity
  • Race
  • Country of birth
  • Length of time in U.S.

Reporting Source

  • County
  • Earliest date reported


  • Date of illness onset, especially parotitis
  • Duration of parotitis
  • Spectrum of symptoms
    • Parotitis or other salivary gland involvement (only pain, tenderness, swollen)
    • Other symptoms (e.g., headache, anorexia, fatigue, fever, body aches, stiff neck, difficulty in swallowing, nasal congestion, cough, earache, sore throat, nausea, abdominal pain)
  • Hospitalizations and druation os stay - association to mumps
  • Complications
    • Meningitis
    • Deafness (transient or permanent)
    • Encephalitis
    • Orchitis
    • Other
  • Outcome (case survived or died)
    • Date of death
    • Postmortem examination results
    • Death certificate diagnosis


  • Medications given
  • Duration


  • Virus isolation
  • Serology

Vaccine Information

  • Dates of mumps vaccination
  • Number of doses of vaccine given
  • Manufacturer of vaccine
  • Vaccine lot number
  • If not vaccinated, reason


  • Epi-Linkages
  • Transmission setting (e.g., college)
  • Source of exposure
  • Import status*
  • Travel history


*An internationally imported case is defined as a case in which mumps results from exposure to mumps virus outside the United States (U.S.) as evidenced by at least some of the exposure period (12-25 days before onset of symptoms) occurring outside the U.S. and symptom onset occurring within 25 days of entering the U.S. and there is no known exposure to mumps in the U.S. during that time.

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