The "study" came out on Fauci's last day - the day before he's being deposed about his role in censorship.
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“Everybody was asking the question, where’s the clinical efficacy data?” he continued. “Now, it has come out with the CDC MMWR this morning, so we know it’s safe. We know that it is effective.”

https://beckernews.com/fauci-farewell-47811/