WHO: Omicron lây lan nhanh hơn và làm suy yếu hiệu quả của vaccine

Tổ chức Y tế thế giới (WHO) ngày 12/12 cho biết những dữ liệu ban đầu cho thấy biến thể Omicron dễ lây hơn chủng Delta và làm giảm hiệu quả của vaccine ngừa COVID-19, nhưng lại gây ra ít triệu chứng nghiêm trọng hơn.

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Z+G7hTYv4buFQ8ODw5Xhu4Dhu6fhur4r4buT4buZL8OT4buV

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Quan hệ quân sự Ấn Độ - Nga được tăng cường

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