1 dose of either Pfizer or AZ = 96% of people develop antibodies against Covid 2 doses = 99% of people develop antibodies against Covid https://t.co/EfAPX17CtI— Page of Positivity (@PageofPositives) May 18, 2021
1 dose of either Pfizer or AZ = 96% of people develop antibodies against Covid 2 doses = 99% of people develop antibodies against Covid https://t.co/EfAPX17CtI