Vaccines could have been delivered earlier with human challenge trials. Moderna was slowed by a month due to FDA demand for more Diversity in its clinical trial. It turned out its vaccine works fine on all races. Pfizer likely delayed announcing by a week to not help Trump.https://twitter.com/NateSilver538/status/1373400414108942337 …
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I don't know about "smart" but they're certainly unwavering. "No challenge trials, no matter what - only bureaucracy"
End of conversation
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