Pfizer Inc. is a global biopharmaceutical leader engaged in the research, development, production, marketing, and distribution of a wide array of medicinal and vaccine products worldwide. Its comprehensive portfolio addresses diverse therapeutic areas, including cardiovascular health and women's health, featuring key brands such as the Premarin family and Eliquis. The company also offers advanced biologics, small molecule drugs, immunotherapies, and biosimilars for various conditions, exemplified by Ibrance, Xtandi, and Retacrit.