With this notice, Frontiers states its awareness of concerns regarding the content of the article “Evaluation of post-COVID mortality risk in cases classified as severe acute respiratory syndrome in Brazil: a longitudinal study for medium and long term” published on 18th December 2024. Our Research Integrity team will conduct an investigation in full accordance with our procedures. The situation will be updated as soon as the investigation is complete. UPDATE: This article has now been retracted. Please find the full retraction here: https://doi.org/10.3389/fmed.2025.1619451.
Summary
Citation
Frontiers Editorial Office (2025) Expression of concern: Evaluation of post-COVID mortality risk in cases classified as severe acute respiratory syndrome in Brazil: a longitudinal study for medium and long term. Front. Med. 12:1561115. doi: 10.3389/fmed.2025.1561115
Received
15 January 2025
Accepted
15 January 2025
Published
15 January 2025
Approved by
Frontiers Editorial Office, Frontiers Media SA, Switzerland
Volume
12 - 2025
Updates
Copyright
© 2025 Frontiers Editorial Office.
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*Correspondence: Frontiers Editorial Office research.integrity@frontiersin.org
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