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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