2022 Outbreak of Legionnaires Disease at a Manufacturing Plant, South Carolina

In 2022 public health officials in South Carolina investigated a months long outbreak of Legionella pneumophila infections among employees at a manufacturing plant. Between August and November 2022, a total of 34 cases of legionellosis occurred. Fifteen people were hospitalized. Two people died.

Legionella pneumophila was isolated from 3 devices: 2 water jet cutters, and 1 floor scrubber. L. pneumophila sequence type 36 was identified in environmental isolates and 1 patient specimen, indicating that these devices were the likely source of infections.

Overview

Outbreak began:August 2022
Affected country:US
States/territories:SC
Pathogen:Legionella pneumophila
Vehicle(s):Water
Location(s):Workplace
Molecular test results:Type 36

Health impact

Total ill:34
Number hospitalized:15
Number of deaths:2

Sources & documents

Report / reference links
Outbreak documents