WHO tái khẳng định nguồn gốc virus SARS-CoV-2 xuất phát từ tự nhiên
THX đưa tin, Tổ chức Y tế Thế giới (WHO) đã tái khẳng định nguồn gốc của virus corona chủng mới SARS-CoV-2 gây bệnh viêm đường hô hấp cấp COVID-19 xuất phát từ tự nhiên.
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