So what just happened and why?

Among those skeptical there’s enough data to justify emergency authorization of plasma for COVID-19: Dr. Francis Collins of National Institutes of Health; Dr. Tony Fauci and H. Clifford Lane of National Institute of Allergy & Infectious Diseases.

2/ These experts have said they don’t think the biggest study yet of this treatment, from Mayo Clinic, was sufficient. They want more data. Two major studies are currently being conducted. https://www.medrxiv.org/content/10.1101/2020.08.12.20169359v1

3/ There’s disappointment being expressed among health experts by what happened today, especially in @SteveFDA, who for the second time (the first being with hydroxychloroquine) has seemed to them to bend to political pressure rather than following scientific protocol.

4/ here is more from FDA: https://www.fda.gov/emergency-preparedness-and-response/mcm-legal-regulatory-and-policy-framework/emergency-use-authorization#coviddrugs