2023 Outbreak of Legionnaires Disease at a Multi-Unit Housing Building, Maryland

In May 2023, Maryland public health officials investigated a waterborne outbreak of Legionella pneumophila Serogroup 1 associated with a hot tub/spa/whirlpool at a multi-unit housing residence. Two people were ill. Both were hospitalized. One person died.

Overview

Outbreak began:May 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:2
Number hospitalized:2
Number of deaths:1

Sources & documents

Report / reference links