Ongoing trial shows Pfizer Covid-19 vaccine remains highly effective after six months

The ongoing Phase 3 clinical trial of Pfizer/BioNTech's coronavirus vaccine confirms its protection lasts at least six months after the second dose, the companies said Thursday. The trial continues and protection is expected to last longer than six months.

Ongoing trial shows Pfizer Covid-19 vaccine remains highly effective after six months
The ongoing Phase 3 clinical trial of Pfizer/BioNTech's coronavirus vaccine confirms its protection lasts at least six months after the second dose, the companies said Thursday. The trial continues and protection is expected to last longer than six months.