Hepatitis A Outbreak Prevention and Response - Minnesota Dept. of Health

Hepatitis A Outbreak Prevention and Response

As of September 28, 2021, the health department has officially ended the hepatitis A outbreak in Minnesota.

Partners should remain vigilant. The best way to prevent hepatitis A infection is through vaccination. The following resources and tools can be used or adapted for hepatitis A outbreak prevention and response in Minnesota as needed.


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As of September 28, 2021, the health department officially ended the hepatitis A outbreak.

Outbreaks of hepatitis A have been occurring in states across the country since 2016. In May 2019, Minnesota experienced an increase of hepatitis A cases, which resulted in an outbreak. When active, Minnesota's outbreak-associated cases had risk factors consistent with the national outbreaks.

People at high risk in the outbreaks included:

  • People who use injection/non-injection drugs.
  • People experiencing homelessness or unstable housing.
  • People who are currently or were recently incarcerated.
  • Men who have sex with men (MSM).

The best way to prevent hepatitis A infection is through vaccination.

The outbreak is now over, and no new data will be reported. The last reported outbreak case counts are as follows.

As of Friday, July 23:
  • 129 Cases
  • 90 (70%) Hospitalizations
  • 1 Death
Affected county (30) Counts
Anoka 5
Beltrami 2
Blue Earth 1
Brown 1
Carlton 1
Carver 1
Cass 4
Chisago 1
Crow Wing 1
Dakota 4
Dodge 1
Goodhue 2
Hennepin 44
Itasca 1
Kanabec 5
Kandiyohi 2
Koochiching 6
Lyon 3
Mille Lacs 4
Mower 1
Olmsted 1
Pine 6
Ramsey 15
Redwood 1
Scott 2
Sherburne 1
St. Louis 4
Stearns 3
Wabasha 1
Washington 4
Unknown 1

Hepatitis A Outbreak Cases as of Friday, July 23, 2021
map of the affected counties

Epi curve of outbreak-associated cases by MMWR week, Dec. 22, 2018 - March 6, 2021
epi curve showing the increase in cases

  • Hepatitis A VIS
    Hepatitis A Vaccine Information Statement available in multiple languages from the Immunization Action Coalition.
Thumbnail of infographic What to know about hepatitis A (PDF)
Infographic showing the symptoms, transmission, risk populations, and treatment for hepatitis A.

Hepatitis A Sample Social Media Messages (PDF)
Sample social media messages to help promote vaccination and educate people about hepatitis A. Sample images to go with the messages are also included below.

Thumbnail of palm card Hepatitis A outbreak in Minnesota (fillable palm card) (PDF)
Fillable palm card to give out during outreach.
Hepatitis A outbreak in Minnesota (palm card) (PDF)
Palm card with MDH information to give out during outreach.

Protect yourself from hepatitis A (PDF)
Half sheet to promote vaccination during targeted outreach with high-risk populations.

Note: Give the half sheet or palm card to patients/clients and mention these key points:

    • There is a hepatitis A outbreak in Minnesota.
    • Hepatitis A can make people sick for weeks or even months, but there's a vaccine that can protect you.
    • Some people are at higher risk, but anyone who wants to be protected from hepatitis A can get vaccinated.
    • Then offer vaccine if you have it, or refer the person to their provider or a clinic for free or low-cost vaccine if they don't have insurance.
Updated Tuesday, 04-Jan-2022 12:23:52 CST