The science pledge by vaccine manufacturers falls short because it leaves open the possibility of a pre-election Emergency Use Authorization for a vaccine. That would be viewed as political and exacerbate vaccine hesitancy 1/3 https://investors.modernatx.com/news-releases/news-release-details/biopharma-leaders-unite-stand-science

Pfizer CEO has said he expects enough results by end of Oct. to see whether the product works. In the pledge, CEOs say EUA could be used if Phase 3 data meets FDA standards. But the whole controversy began when FDA head said he's open to an EUA 2/3 https://www.cnbc.com/2020/09/03/pfizer-ceo-confirms-coronavirus-vaccine-trial-may-have-results-in-october.html

Issuing an EUA for a vaccine is a bad idea: “We don’t do EUAs for vaccines..It’s a lesser review, it’s a lower-quality review, and when you’re talking about vaccinating a large chunk of the American population, that’s not acceptable.” - @PeterHotez 3/3 https://news.yahoo.com/doctors-alarmed-as-fda-floats-emergency-use-of-covid-vaccine-bypassing-trials-153153624.html