EXPRESSION OF CONCERN: Culture and Identification of a “Deltamicron” SARS‐CoV‐2 in a Three Cases Cluster in Southern France

EXPRESSION OF CONCERN: P. Colson, P.-E. Fournier, J. Delerce, M. Million, M. Bedotto, L. Houhamdi, N. Yahi, J. Bayette, A. Levasseur, J. Fantini, and B. La Scola, “Culture and Identification of a ‘Deltamicron’ SARS-CoV-2 in a Three Cases Cluster in Southern France,” Journal of Medical Virology 94, no. 8 (2022): 3739-3749, https://doi.org/10.1002/jmv.27789. This Expression of Concern is for the above article, published online on 25 April 2022 in Wiley Online Library (wileyonlinelibrary.com), and has been issued by agreement between the journal Editor-in-Chief, Hinh Ly; and Wiley Periodicals, LLC. The Expression of Concern has been agreed due to questions raised about the study's adherence to French legal and ethical requirements for research involving human subjects. The investigation into these concerns is ongoing. Therefore, the journal has decided to issue an Expression of Concern to inform and alert readers.