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Une sous-variante de la version Omicron hautement transmissible du coronavirus, connue sous le nom de BA.2, est désormais dominante dans le monde entier, provoquant des poussées dans de nombreux pays d’Europe et d’Asie et suscitant des inquiétudes quant à la possibilité d’une nouvelle vague aux États-Unis. BA.2 représente désormais près
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La variante « furtive » du COVID BA.2 d’Omicron est désormais dominante au niveau mondial
