Hepatitis A in Michigan

January 17, 2018 – Hepatitis A Update.

  • About 680 outbreak-related cases of Hepatitis A have been reported in Michigan since August 2016, more every week.
  • Cases are unusually severe: 22 deaths and 80% hospitalization rate.
  • Cases are primarily in Southeast Michigan, but a handful of cases have been reported in Northern Michigan, including Leelanau, Grand Traverse, and Montmorency counties.
  • Transmission appears to be through direct person-to-person spread (including sexual contact) and illicit drug use.
  • No common sources of food, beverages, or drugs have been identified as a potential source of infection.
  • Outbreak data can be found at www.Michigan.gov/hepatitisAoutbreak

November 2, 2017. The Michigan Department of Health and Human Services (MDHHS) and local public health officals are continuing to investigate an outbreak of hepatitis A cases in the city of Detroit, and Macomb, Oakland, Wayne, and St. Clair counties. From August 1, 2016 to October 12, 2017, there have been 376 cases of confirmed hepatitis A including fifteen deaths reported to public health authorities in these jurisdictions. This represents a ten-fold increase during the same time last year. Local public health departments, MDHHS, and CDC are working together to combat this outbreak. www.mi.gov/hepatitisAoutbreak