The coronavirus vaccine developed by Pfizer and BioNTech appears to protect 94-percent of adults over 65 years old. More data released from their ongoing phase three trial suggests it works equally well in people of all ages, races and ethnicities.

The coronavirus vaccine developed by Pfizer and BioNTech appears to protect 94-percent of adults over 65 years old. More data released from their ongoing phase three trial suggests it works equally well in people of all ages, races and ethnicities.