Pfizer Inc. is a research-based biopharmaceutical company. The Company is engaged in the discovery, development, manufacture, marketing, sale and distribution of biopharmaceutical products around the world. The Company operations through two segments: Biopharma and PC1. Biopharma is a science-based medicines business that includes six therapeutic areas, such as Vaccines, Hospital, Oncology, Internal Medicine, Rare Disease, and Inflammation & Immunology. PC1 is its global contract development and manufacturing organization and supplier of specialty active pharmaceutical ingredients. Its Vaccines include Comirnaty/BNT162b2, the Prevnar family, Nimenrix and others. Its Oncology products include Ibrance, Xtandi, Inlyta, Sutent, Retacrit, Lorbrena and Braftovi. Its Internal Medicine products include Eliquis and the Premarin family. Its Inflammation & Immunology products include Xeljanz, Enbrel, Inflectra, Eucrisa/Staquis and Cibinqo. It also offers Rimegepant and Zavegepant.