Pfizer, BioNTech launch U.S. trial of coronavirus vaccine

Initial vaccine data are expected within weeks as biotech and pharma companies intensify their search for a way to prevent the spread of COVID-19.

Pfizer, BioNTech launch U.S. trial of coronavirus vaccine
Initial vaccine data are expected within weeks as biotech and pharma companies intensify their search for a way to prevent the spread of COVID-19.