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Published on: June 8, 2015
Mumps Outbreak in a Marshallese Community - Denver Metropolitan Area, Colorado, 2016-2017
Abstract:
In January 2017, the Colorado Department of Public Health and Environment (CDPHE) identified four epidemiologically linked cases of mumps among persons from a Marshallese community who were members of the same church in the Denver metropolitan area. During 2016-2017, sizable outbreaks of mumps reported in Arkansas, Hawaii, and Washington also affected the Marshallese population (1). CDPHE, the Tri-County Health Department (TCHD), and Denver Public Health collaborated to conduct an outbreak investigation during January-March 2017 using active and passive surveillance that identified 17 confirmed and 30 probable cases. Public health actions included conducting measles-mumps-rubella (MMR) vaccination clinics at local Marshallese churches; these resulted in the vaccination of 126 persons with ≥1 doses of MMR vaccine. Implementation of active surveillance and support from local Marshallese church leaders in promoting vaccination programs likely contributed to interruption of the outbreak.
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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