焦點特寫COVID-19疫苗系列專欄:什麼是疫苗保護力?
https://www.cdc.gov.tw/EpidemicTheme/Detail/HN_bvfRk6F9P3-V-G4NJxQ?archiveId=j7N_Kxkv9d-bLpUDdvygSg
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