Evidence of Transmission and Circulation of Deltacron XD Recombinant Severe Acute Respiratory Syndrome Coronavirus 2 in Northwest France

Abstract

In February 2022, samples collected in northwest France showed discordant molecular results. After virological and epidemiological investigations, 17 cases of Deltacron XD recombinant severe acute respiratory syndrome coronavirus 2 were confirmed by sequencing or suspected due to epidemiological links, showing evidence of an extended transmission event and circulation of this form, with low clinical severity.