Claim-Reviews – Health Feedback→ Pfizer-BioNTech COVID-19 vaccine demonstrated its efficacy and safety in several stages of clinical trials before been authorized for emergency use, and therefore isn’t experimental

REVIEW In December 2020, the Pfizer-BioNTech COVID-19 vaccine became the first COVID-19 vaccine authorized for emergency use in the U.S. Since then, the country has administered more than 202 million doses of this vaccine to its population. On 23 Au Go to site post…»