Based on a late-stage trial, Pfizer says its vaccine is more than 91% effective against COVID at least six months after the second dose.
WBZ-TV's Mallika Marshall has more on this story.
Based on a late-stage trial, Pfizer says its vaccine is more than 91% effective against COVID at least six months after the second dose.
WBZ-TV's Mallika Marshall has more on this story.
Public health officials recommend if you are getting a two-dose vaccine, you should complete both doses for the strongest..
The ongoing vaccine passport debate is one potentially dividing America. Veuer’s Chloe Hurst has the story!