WHO giám sát chặt biến thể phụ AY.4.2 của chủng Delta

(TTXVN/Vietnam+) 08:26 29/10/2021

Trong bối cảnh các ca mắc COVID-19 trên toàn cầu đang tăng trở lại, Tổ chức Y tế Thế giới (WHO) cho biết đang theo dõi chặt chẽ AY.4.2 - một biến thể phụ của chủng Delta, nhằm đánh giá liệu mức độ lây nhiễm của biến thể này có cao hơn so với chủng ban đầu hay không. Biến thể phụ này đã được phát hiện ở ít nhất 42 quốc gia trên thế giới.

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