HI, NY, D.C. (USA) - Mumps update: >500 cases in HI

November 10, 2017
State Health Agency; Student Health Services


The Hawaii State Department of Health (DOH) continues to investigate an increasing number of cases of mumps infection statewide.

The disease has been confirmed in children and adults, both vaccinated and unvaccinated. Nearly 60% of cases have been in adults aged 18 years and older. There have been 16 reports of complications due to mumps infection (e.g., orchitis, hearing loss).

As of November 9, 2017, there have been 557 confirmed cases of mumps for 2017, with the distribution of cases as follows:

  • Honolulu 450
  • Hawaii 61
  • Kauai 44
  • Maui 2

Due to the current mumps outbreak in Hawaii, in addition to the routine vaccination recommendations above, persons born in 1957 or later, especially those who live or work in crowded conditions, should receive an additional MMR vaccine dose now:

For persons born in 1957 or later:

Number of previous MMR doses Years since last MMR dose Vaccinate Now
2 10 years or more Yes
1 5 years or more Yes
None or unknown Yes

Healthcare providers should report any suspected cases of mumps to DOH immediately by calling the disease reporting line at (808) 586-4586.

Other states

In New York, mumps outbreak in Onondaga County which began at Syracuse University (SU) in August 2017 continues.

As of November 9, 2017 there are:

  • Confirmed Cases: 39
  • Probable Cases: 77

Meanwhile in D.C., Student Health Services of the Catholic University of America has now confirmed a diagnosis of mumps for five students. Two additional students with suspected mumps have been treated. The University’s Incident Management team continues to work with the D.C. Department of Health to implement practices to manage the current cases and prevent the spread of infection.

A sub-population of students who are at an increased risk of exposure has been identified and informed of the D.C. Department of Health’s recommendations for an MMR booster.

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