摘要
As of April 30, 2021, approximately 101 million people in the U.S. had been fully vaccinated against COVID-19. Almost 10,300 COVID-19 vaccine breakthrough infections were reported from 46 states and territories. Vaccine breakthrough infections occur in only a small fraction of all vaccinated people.
詳細內容
As of April 30, 2021, approximately 101 million people in the U.S. had been fully vaccinated against COVID-19. Almost 10,300 COVID-19 vaccine breakthrough infections were reported from 46 states and territories. Vaccine breakthrough infections occur in only a small fraction of all vaccinated people.
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萃取時間: 2026-02-05T15:13:53Z 資料來源: CDC MMWR