2023 Outbreak of Legionella pneumophila Infections Associated with a Private Well, Maryland

In July 2023, Maryland public health officials investigated a waterborne outbreak of Legionnaires Disease at a multi-unit housing residence. The implicated source was water from a private well. Three people were ill. No one was hospitalized and no one died.

Overview

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

Health impact

Total ill:3

Sources & documents

Report / reference links