Article
Environmental and Phylogenetic Investigations of Aspergillus flavus Outbreak Linked to Contaminated Building Materials, Denmark, 2025.
Emerging infectious diseases - 1 Mar 2026
Gewecke Alexander, Sieber Raphael Niklaus, Hallstrøm Søren, Stegger Marc, Kolarik Barbara, Knudsen Jenny D, Andersen Birgitte, Hall Astrid, Vissing Nadja Hawwa, Arendrup Maiken Cavling
Abstract excerpt
An Aspergillus flavus outbreak occurred in a tertiary hospital in Denmark. We compared environmental sampling methods, investigated the outbreak through short tandem-repeat genotyping, STRAfla, and analyzed isolate phylogeny using whole-genome sequencing. Paired sampling revealed that air sampling underestimated A. flavus burden (8 CFU/81 air samples vs. 585 CFU/81 surface samples), and culturing at 37°C was...
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