INSTANT VIEW-Pfizer, BioNTech say their COVID-19 vaccine is more than 90% effective
Nov 9 (Reuters) - Pfizer Inc said on Monday its experimental vaccine was more than 90% effective in preventing COVID-19 based on initial data from a large...
Nov 9 (Reuters) - Pfizer Inc said on Monday its experimental vaccine was more than 90% effective in preventing COVID-19 based on initial data from a large...