Mumps Outbreak in a Marshallese Community - Denver Metropolitan Area, Colorado, 2016-2017

Insights

A mumps outbreak in Denver

Area of Science:

  • Public Health
  • Epidemiology
  • Infectious Diseases

Background:

  • Mumps outbreaks disproportionately affected the Marshallese population in multiple US states during 2016-2017.
  • An initial cluster of mumps cases was identified in a Marshallese community in the Denver metropolitan area in January 2017.

Purpose of the Study:

  • To investigate and control a mumps outbreak within the Marshallese community in the Denver metropolitan area.
  • To implement public health interventions to prevent further spread.

Main Methods:

  • Active and passive surveillance were employed for case identification.
  • Collaboration between the Colorado Department of Public Health and Environment (CDPHE), Tri-County Health Department (TCHD), and Denver Public Health.
  • Measles-Mumps-Rubella (MMR) vaccination clinics were organized at local Marshallese churches.

Main Results:

  • The investigation identified 17 confirmed and 30 probable cases of mumps.
  • 126 individuals received at least one dose of the MMR vaccine through church-based clinics.
  • The outbreak was successfully interrupted.

Conclusions:

  • Active surveillance and community engagement, particularly with Marshallese church leaders, were crucial for outbreak control.
  • Targeted vaccination efforts in vulnerable populations can effectively mitigate infectious disease outbreaks.
  • Public health collaboration is essential for managing community-level health crises.

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