le sous-variant du virus Omicron, BA.2, detected dans 57 countries

The Omicron variant, which represents more than 93% of all the coronavirus specimens collected throughout the year, includes several other variants: BA.1, BA.1.1, BA.2 and BA.3. A sous-variant of the souche du coronavirus Omicron who, according to certain studies, pourrait être more contagious than the original version, was detected in 57 countries, announced by the … Read more