Pfizer and BioNTech announced Monday their coronavirus vaccine was more than 90% effective in preventing COVID-19 among those without evidence of prior infection, hailing the development as “a great ...

Pfizer Inc (PFE) announced an update on their ongoing clinical study.

BRUSSELS, Nov 18 (Reuters) - The European Medicines Agency said on Wednesday that Pfizer (PFE.N), opens new tab and BioNTech had submitted data from large-scale trial of their potential COVID-19 ...