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Thuốc chủng ngừa COVID-19 công hiệu như thế nào?
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Mặc dù có mức công hiệu khác nhau, mỗi loại thuốc chủng ngừa đã cho thấy làm giảm đáng kể nguy cơ mắc COVID-19 và rất công hiệu trong việc giảm nguy cơ mắc bệnh trầm trọng đến phải nằm bệnh viện hoặc tử vong do COVID-19.
Thuốc chủng ngừa nào cũng có mức công hiệu cao, và mỗi người được chích ngừa sẽ giúp cộng đồng tiến gần mục tiêu miễn dịch cộng đồng hơn.
Nguồn: www.cdc.gov/vaccines/covid-19/info-by-product/index.html
Tạo ngày 23 tháng 4 năm 2021.