ArticleInfection2026
Post-pandemic increase of Group A streptococcal infections in adults: a retrospective cohort study from 2012 to 2024.
Article in Infection, 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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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Authors and funding
6 authors.
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No grant is acknowledged in the PubMed record.
Abstract
objectivesAfter the COVID-19 pandemic an increase in Group A streptococcal (GAS) infections was reported mostly for children in several countries worldwide. However, data on infections in adults remain limited. Therefore, we focus on the pre- and post-pandemic incidence of GAS infections in adults, the need for intensive care treatment and the microbiological sampling patterns.
methodsWe performed a retrospective cohort study of hospitalized adult patients from 2012 to 2024, based on a positive GAS detection in their routine microbiological sampling. We compared the post-pandemic phase after lifting the isolation measures in April 2022 to the pandemic and pre-pandemic phase. Additionally, we analysed positive rapid assessment tests in children, indicative of the prevalence of GAS tonsillitis in this population.
resultsIn the post-pandemic months, we observed a significant increase in overall hospitalized adult patients (IRR 2.94) and ICU patients (IRR 2.5) with GAS infections. The rise can be attributed to an increase in both invasive and non-invasive GAS detections.
conclusionsThe increase in GAS infections is not only relevant in paediatric patients, but also has significant relevance in adult patients. Physicians need to be aware of this increase. The data of 2024 show a sustained increase and an incidence that has not returned to pre-pandemic levels.
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