Pfizer is a global biopharmaceutical company that develops and distributes vaccines and medicines for different ailments, including cardiovascular metabolic, women's health, and infectious diseases like COVID-19. Its products come in various forms like biologics, small molecules, immunotherapies, and biosimilars sold under brand names, including Eliquis, Ibrance, and Sulperazon. The New York-based company collaborates with notable firms and serves various clients, including health care providers, governments, and pharmacies.