Nhu Ngoc Nguyen, Linda Houhamdi, Léa Delorme, Philippe Colson, and Philippe Gautret
Figure. Number of patients with infections from different SARS-CoV-2 Omicron subvariants, France, November 28, 2021–July 22, 2022. Overall dynamics of infections with Omicron subvariants BA.1, BA.2, BA.4, and BA.5 are shown for cases diagnosed at the Institut Méditerannée Infection, Marseille, France. We performed real-time reverse transcription PCR and next-generation genomic sequencing of nasopharyngeal swab samples to identify Omicron subvariants BA.1, BA.2, BA.4, and BA.5. A total of 27,972 patient samples tested positive for Omicron subvariants.