U.S. regulators post positive review of Pfizer vaccine data
Documents released by U.S. regulators Tuesday confirmed that Pfizer and BioNTech's covid-19 vaccine was strongly protective against covid-19 -- offering the world's first d…
Documents released by U.S. regulators Tuesday confirmed that Pfizer and BioNTech's covid-19 vaccine was strongly protective against covid-19 -- offering the world's first d…