Legionnaires' Disease Case Confirmed at Bronson Methodist Hospital

Hospital working with health officials to investigate and mitigate potential exposure risk to patients and staff

Jan. 27, 2026 at 6:23pm

Got story updates? Submit your updates here. ›

Bronson Methodist Hospital in Kalamazoo, Michigan has confirmed that a patient recently hospitalized at the facility was diagnosed with Legionnaires' disease, prompting an investigation with state and local health officials and mitigation efforts inside the hospital to address the hospital's water system and prevent additional cases.

Why it matters

Legionnaires' disease is a serious type of pneumonia caused by Legionella bacteria that can grow in building water systems, including those found in hospitals. This case raises concerns about the hospital's water management practices and the potential risk to vulnerable patient populations.

The details

The single confirmed case involves a patient diagnosed with Legionnaires' disease on New Year's Eve. Bronson has notified patients and staff, implemented water mitigation measures like micro filters on shower heads and restrictions on showering, and is working with health departments to investigate the source and extent of potential exposure.

  • The patient was diagnosed with Legionnaires' disease on December 31, 2025.
  • Bronson has notified patients and staff who were at the hospital between December 24, 2025 and January 8, 2026.

The players

Bronson Methodist Hospital

A hospital in Kalamazoo, Michigan that has confirmed a case of Legionnaires' disease and is working to investigate and mitigate the issue.

Michigan Department of Health

The state health department that is providing oversight and guidance to Bronson Methodist Hospital on the Legionnaires' disease investigation and response.

Kalamazoo Department of Health

The local health department that is supporting Bronson Methodist Hospital's investigation and mitigation efforts for the Legionnaires' disease case.

Got photos? Submit your photos here. ›

What they’re saying

“We can confirm that a patient who was recently hospitalized at Bronson Methodist Hospital was diagnosed with Legionnaires' Disease. While we believe the risk of exposure is low, we are working closely with state and local health departments to investigate and implement the appropriate mitigation. We have also notified patients and staff as a precaution and in accordance with health department requirements.”

— Bronson Methodist Hospital

“The role of the local health department is, once we are notified of a case or cases that are possibly or presumptively health care setting related, we provide proactive public health guidance for mitigation and support for investigations into potential cases. Bronson has been proactive in following public health guidance.”

— Kalamazoo Department of Health

What’s next

Bronson Methodist Hospital continues to work with state and local health departments as they investigate the source of the Legionnaires' disease case and implement further mitigation measures to ensure the safety of patients and staff.

The takeaway

This case highlights the importance of hospitals maintaining robust water management programs to prevent the growth of Legionella bacteria and protect vulnerable patient populations from serious illnesses like Legionnaires' disease.