BERLIN, Germany (AFP) — Pfizer/BioNTech’s coronavirus vaccine offers more protection than earlier thought with effectiveness in preventing symptomatic disease reaching 97 percent, according to real-world evidence published Thursday by the pharmaceutical companies. Using data from January 17 to March 6 from Israel’s national vaccination campaign, Pfizer/BioNTech found that prevention against asymptomatic disease also reached 94 percent. An earlier real-world study using data from between December 20, 2020 and February 1, 2021 had showed effectiveness at […]