BA.2 trở thành biến thể chủ đạo gây bệnh COVID-19 trên toàn cầu

Theo Reuters 14:46 29/03/2022

Dòng phụ BA.2 của biến thể Omicron của virus SARS-CoV-2 hiện là nguyên nhân chính gây ra các ca mắc COVID-19 trên toàn cầu, đặc biệt tại châu Âu và châu Á, làm gia tăng lo ngại về khả năng bùng phát một đợt dịch mới tại Mỹ.

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