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

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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