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"Leiden" disputes FDA, EMA abundance of caution
"The Ad26.COV2.S vaccine uses a human Ad26-based vector, whereas the ChAdOx1 nCoV-19 vaccine uses a chimpanzee adenovirus-based vector (references S3 and S4)."
by Cat on Sat Apr 17th, 2021 at 04:20:12 PM EST
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