Chuyên gia WHO kêu gọi cải tiến các vaccine ngừa COVID-19 hiện nay để chống biến thể
(Tin Tức) - Ngày 11/1, các chuyên gia thuộc Tổ chức Y tế thế giới (WHO) cho rằng các vaccine ngừa COVID-19 đang được sử dụng hiện nay sẽ cần được nâng cấp để đảm bảo phòng chống được những biến thể mới của virus SARS-CoV-2, trong đó có Omicron.
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u7jDk+G6tFPhu5Thu5bhu5BS4bq04buI4buW4buMU+G6tEDhu5TDlOG6tGlS4buWxKjhu7ZUU+G6tEDhu7ZUU+G7mOG6tEItROG6tEAjSVPhurRAVuG7lkHhuqIv4buyw4PhuqLhu7LhurTEqFFF4bu44bu4duG6suG7suG6r1RKPuG6ssODZ+G7llPhu5ThurThurHhu5RHI+G6tMOA4buX4buX4bulw7po4bqg4bqiL+G7ssOD