Pfizer, BioNTech Choose Coronavirus Vaccine Candidate to Advance to Phase 2/3 Trial – The Motley Fool

2 companies considered to be advanced in their pursuit of a coronavirus vaccine, Pfizer(NYSE: PFE) and BioNTech(NASDAQ: BNTX), have actually selected one prospect for advancement to a stage 2/3 medical stud … [+1572 chars]