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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w5ROw6BhPeG7suG6oU7Gr+G7lE4u4bugxq9Oa8O64bqs4bubbC3Dk+G7mEdOw6BhKCFATuG7qilOw5Phu5Lhu4xIw5VPT07DoGHhurc0IUBOIzU4TuG7quG7ok7DoOG6pU7huq0oIUBIL0jhu4ovOOG7iOG7ijhOxq8s4buUw6HDoeG6vE044bq54bqhw6AjKGFN4buIw43DgMOA4bqq4bqsdS/huqw94buww6Ah4buULivDjOG7ii844buI
(TTXVN/Vietnam+)