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

(TTXVN/Vietnam+) 08:40 13/12/2021

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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w5VC4buG4buM4buj4buV4buRY2Nn4buFNi/hu4VDw4PDleG7gOG7p+G6vivhu5Phu5kvw5Phu5U=