Legionnaires’ Disease Outbreak in Grand Rapids, 2023-2024

Since April 2023, cases of Legionnaires' disease have been confirmed in Grand Rapids, Minnesota. Both epidemiologic and laboratory data point to areas of the municipal water system as the source.

• Health officials identify source of Legionnaires’ disease outbreak in Grand Rapids
  MDH news release, Feb. 12, 2024.
   
• Grand Rapids Legionnaires’ Disease Outbreak Zone (PDF)
  Map of area of likely case exposures.
   
• Heightened Surveillance for Legionnaire's Disease (PDF)
  MLS Laboratory Update: July 20, 2023
   
• Health officials investigating Legionnaires’ disease cluster in Grand Rapids
  MDH news release, July 19, 2023
   
• Health Advisory: Legionnaires' Disease in Grand Rapids, MN (PDF) | (Word)
  July 19, 2023