Pfizer, BioNTech say vaccine protects for 6 months

By Beyza Binnur Donmez   ANKARA (AA): The US drug maker Pfizer and its German partner BioNTech announced Thursday that their coronavirus vaccine is effective up to six months after the second dose. The pivotal Phase 3 study showed the jab was “91.3% effective against COVID-19, measured seven days through up to six months after the second dose,” the companies […]