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Containing a measles outbreak in Minnesota, 2017: methods and challenges
E Banerjee1, J Griffith2, C Kenyon2
1Infectious Disease Epidemiology, Prevention and Control, Minnesota Department of Health, 625 Robert St. N., St. Paul, MN 55164, USA.
Perspectives in Public Health
|September 5, 2019
Summary
Rapid public health interventions and community partnerships were crucial in controlling a 2017 measles outbreak in Minnesota
Area of Science:
- Epidemiology
- Public Health
- Infectious Disease Control
Background:
- Measles outbreaks can disproportionately affect under-vaccinated communities.
- Timely and targeted interventions are essential to prevent widespread transmission.
Purpose of the Study:
- To describe the public health response to a measles outbreak in Minnesota's Somali community.
- To evaluate the effectiveness of interventions in controlling measles transmission.
Main Methods:
- Laboratory testing and incident command activation for rapid case identification.
- Epidemiologic interviews to identify high-risk exposures and assess vaccination status.
- Post-exposure prophylaxis (PEP) administration and exclusion from childcare/schools for unvaccinated individuals.
- Accelerated measles, mumps, and rubella (MMR) vaccination recommendations and community outreach.
Main Results:
- 75 measles cases were identified, predominantly in unvaccinated Somali Minnesotan children.
- High secondary attack rates were observed in unvaccinated household contacts.
- Over 51,000 additional MMR vaccine doses were administered.
- Significant resources were allocated to outbreak response, including PEP and exclusion measures.
Conclusions:
- Swift, targeted public health actions are vital for measles outbreak containment.
- Strong partnerships between public health, healthcare providers, and community members are essential for effective disease control.
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