ArticleFrontiers in public health2026
Response of culturable bacteria and their resistance to air purification across compartments.
Article in Frontiers in public health, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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5 authors.
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Abstract
Introduction: The increasing threat of antimicrobial resistance (AMR) in environmental settings, particularly in indoor air, requires robust surveillance and mitigation strategies. This study assessed the taxonomic composition and AMR profiles of human-, airborne- and surface-associated bacteria collected from two indoor environments: office spaces in Valencia (Spain) and school classrooms in Dublin (Ireland). Methods: Sampling was conducted before and after deployment of portable air purification systems. Samples were analyzed using culture-based methods, MALDI-TOF MS identification, antibiotic susceptibility testing, and PCR detection of resistance genes. Results: A total of 341 bacteria were recovered. In office air, isolates decreased substantially after air purification (from 41 to 5), with post-intervention samples dominated by Discussion: Overall, air purification was associated with a strong reduction in airborne bacterial recovery and AMR burden, while surface and human-associated microbiota remained more stable. These findings highlight the compartment-specific effects of air purification and support the need for integrated indoor air quality management strategies combining air-targeted interventions with broader environmental control measures to limit AMR dissemination in built environments.
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