Babesiosis Statistics

In 2024, 89 confirmed and probable babesiosis cases were reported in Minnesota. The majority of cases experienced symptom onset in June, July, or August. Babesiosis is more common in older adults and people with immuno-compromising conditions.

• 62 (70%) cases were male
• Median case age was 69 years (range, 4 to 87 years)
• 37 (42%) cases were hospitalized for their infection for a median duration of 3 days (range, 1 to 10 days)

Charts and Graphs

• Reported Cases of Babesiosis in Minnesota by Year, 1996-2024 (PDF)
  Graph showing the number of reported cases of babesiosis in Minnesota by year.

Maps

Most babesiosis cases report likely exposure to blacklegged ticks in the same east-central, north-central, and southeast Minnesota counties.

• High Risk Areas for Tickborne Diseases in Minnesota
  A map that shows counties of highest tickborne disease risk in Minnesota.

Annual Summary Statistics

• Babesiosis: Annual Summary of Reportable Diseases
  The Minnesota Department of Health collects information on infectious diseases for the purposes of determining disease impact, assessing trends in disease occurrence, characterizing affected populations, prioritizing control efforts, and evaluating prevention strategies, and reports statistics annually.  Note: There are no listings for years in which there were no cases reported. The annual summary archives available on the web go back to 1997.

National Statistics

• CDC: Data and Statistics on Babesiosis
  Maps, charts, tables, and reports from the CDC.