2. Pfizer was founded in 1849 with a history of 170. Headquartered in new york, USA, it is the world's largest biopharmaceutical company focusing on research and development.

3. Pfizer's products cover a wide range of potential therapeutic and health fields, including chemicals, biological agents, vaccines, health care drugs, etc., and its excellent R&D and production capacity are in the leading position in the world.

4. May 6, 2020 American pharmaceutical giant Pfizer said on Tuesday that it has started testing an experimental vaccine against COVID-19 in the United States. Pfizer said that the first batch of subjects in the United States had been vaccinated with COVID-19 experimental vaccine BNT 162.

5. On May 3rd, 2020, Pfizer ranked 49th in the 2020 Forbes Global Enterprise 2000 list.

6. On June 5438+February1kloc-0/day, 2020, the US Food and Drug Administration (FDA) authorized Pfizer and BioNTech's COVID-19 vaccine to be used urgently in the United States.