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Haber Kaynağı: Çeşitli Haber Siteleri F.D.A. Authorizes Updated Covid Booster Shots, Targeting Omicron Subvariants The agency cleared two options targeting subvariants that are currently dominant, hoping to curtail a fall or winter surge. https://www.nytimes.com/2022/08/31/us/politics/covid-booster-shots-variants.html
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