CDC preliminary vaccine effectiveness estimates show 2019-20 influenza vaccines providing substantial protective benefit, particularly among children, who have been hard hit by influenza this season. Influenza vaccines are reducing the risk for having to go to the doctor with influenza illness by 45% overall and by 55% in children.
CDC preliminary vaccine effectiveness estimates show 2019-20 influenza vaccines providing substantial protective benefit, particularly among children, who have been hard hit by influenza this season. Influenza vaccines are reducing the risk for having to go to the doctor with influenza illness by 45% overall and by 55% in children.
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萃取時間: 2026-02-05T15:16:09Z 資料來源: CDC MMWR