Scientists have confirmed the existence of a new COVID-19 variant that combines mutations from both omicron and delta variants for the first time, and there are reported cases in both Europe and the U.S.

The new hybrid variant, unofficially dubbed “deltacron”, was confirmed through genome sequencing performed by scientists at IHU Méditerranée Infection in Marseille, France, and has been detected in several regions of France, according to a paper posted to the preprint database medRxiv on Tuesday (March 8). Cases have also been found in Denmark and The Netherlands, according to the international database GISAID. Separately, two cases have been identified in the U.S. by the California-based genetics research company Helix, according to Reuters. In addition, about 30 cases have been identified in the U.K., according to The Guardian.


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