If memory serves right, the CEOs were talking about it late August but from yesterday's announcement[0] : "Nine drug companies issued a joint pledge on Tuesday

If memory serves right, the CEOs were talking about it late August but from yesterday's announcement[0] : "Nine drug companies issued a joint pledge on Tuesday that they would “stand with science” and not put forward a vaccine until it had been thoroughly vetted for safety and efficacy" [0]https://www.nytimes.com/2020/09/08/world/covid-19-coronavirus.html?smtyp=cur&smid=tw-nytimes#link-313b443d https://www.nytimes.com/2020/09/08/world/covid-19-coronaviru...