Brazil phát hiện trường hợp đầu tiên nhiễm biến thể B1.617.2 từ Ấn Độ
Ngày 20/5, giới chức y tế Brazil cho biết đã phát hiện ra những trường hợp đầu tiên nhiễm biến thể mới của virus SARS-CoV-2 phát hiện lần đầu ở Ấn Độ, biến thể B1.617.2 , được cho là dễ lây lan hơn, khiến tình trạng người bệnh trầm trọng hơn hoặc chống lại tác dụng của vaccine.
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(Vietnam+)