A community Legionnaires' disease outbreak linked to a collective biomass condensing boiler, France, 2019.

ABSTRACT: Between 1 November and 12 December 2019, a Legionnaires' disease (LD) outbreak occurred in the Strasbourg metropolitan area, France. Epidemiological, environmental and genomic investigations (nested sequence-based typing and whole genome sequencing (WGS)) were undertaken to locate the outbreak source, characterise the causal Legionella strain, and understand its spread. Through a positive urinary antigen test, 28 cases (14 male; 14 female) with 70 years median age (range: 42-88 years) were diagnosed. Two died. For nine cases, typing revealed L. pneumophila serogroup 1 (Lp 1) sequence type (ST) 62 infection. Mapping where cases were during their incubation period pointed to a place south-west of Strasbourg city as the outbreak epicentre. There, in the biomass condensing boiler

SUBMITTER: Raguet S 

PROVIDER: S-EPMC12534781 | biostudies-literature | 2025 Oct

REPOSITORIES: biostudies-literature