Mỹ: CDC thay đổi chính sách xét nghiệm người phơi nhiễm COVID-19
Trung tâm kiểm soát và ngăn ngừa dịch bệnh Mỹ (CDC) đã khuyến nghị những người phơi nhiễm với COVID-19 nhưng không phát triệu chứng có thể không cần xét nghiệm virus SARS-CoV-2. Sự đảo ngược chính sách này của CDC vấp phải sự phản đối của nhiều quan chức và chuyên gia y tế Mỹ.
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