2023 Outbreak of Legionella pneumophila Infections at a Single-family Residence, Michigan

In September 2023, Michigan public health officials investigated a waterborne outbreak of Legionella pneumophila serogroup 1 infections at a private home. Two people were ill. Both were hospitalized. No one died.

The specific source was not reported.

Overview

Outbreak began:September 2023
Affected country:US
States/territories:MI
Pathogen:Legionella pneumophila
Vehicle(s):Water
Location(s):Private Home
Molecular test results:Serogroup 1

Health impact

Total ill:2
Number hospitalized:2

Sources & documents

Report / reference links