coronavirus vaccine developed by the alliance of US drugmaker Pfizer German biotech company BioNTech has entered final stage trial, joining four other candidates in late-stage trial.
The final-stage testing of Moderna's vaccine candidate started this week, with volunteers at numerous sites around the US. If the study is successful, Pfizer-BioNTech could submit the vaccine for regulatory approval as early as October.Here are 10 updates:1) The Pfizer vaccine study is being conduced in the US and elsewhere.
Like Moderna, Pfizer also aims to recruit 30,000 volunteers for the trial.2) Pfizer has already has an agreement to sell 100 million doses of its vaccine to the US government and give it the option to buy 500 million more.3) Both Moderna.