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Haber Kaynağı: Çeşitli Haber Siteleri
Effectiveness of COVID-19 mRNA Vaccines Against COVID-19-Associated Hospitalization - Five Veterans Affairs Medical Centers, United States, February 1-August 6, 2021
COVID-19 mRNA vaccine effectiveness among U.S. veterans remains high, even during Delta variant spread.
https://tools.cdc.gov/api/embed/downloader/download.asp?m=342778&c=426663
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