Emergence and evolution of the Omicron SARS-CoV-2 variant in the island of Martinique.

Introduction: We aimed to describe the epidemiological situation during the Omicron variant circulation in light of genomic surveillance data in Martinique, a territory with low vaccination rates.

Patients And Methods: We exploited COVID-19 national databases of virological tests, for the collection of hospital data and for the sequencing data from December 13, 2021 to July 11, 2022.

Results: Three prevailing sub-lineages of Omicron have been identified in Martinique (BA.