Pfizer opens study of COVID shots updated to match omicron
Published
Pfizer has begun a study comparing its original COVID-19 vaccine with doses specially tweaked to match the hugely contagious omicron variant .
#pfizer
Published
Pfizer has begun a study comparing its original COVID-19 vaccine with doses specially tweaked to match the hugely contagious omicron variant .
#pfizer
Watch VideoU.S. health regulators on Monday granted full approval to Moderna's COVID-19 vaccine, a shot that's already been given..
Pfizer is enrolling healthy adults to test a reformulated Covid-19 vaccine that matches the hugely contagious Omicron variant, to..