Pfizer is a research-based biopharmaceutical company engaged in the discovery, development, manufacture, and distribution of healthcare products. It operates in two business segments: Pfizer Biopharmaceuticals Group (Biopharma) and Upjohn. The Biopharma segment offers medicines, vaccines, and biosimilars for the treatment of cardiovascular and metabolic diseases, oncology diseases, pneumococcal disease, meningococcal disease and tick-borne encephalitis, chronic immune and inflammatory diseases, as well as rare diseases, including amyloidosis, hemophilia, and endocrine diseases. The Upjohn segment provides products that are used to treat non-communicable diseases across a range of therapeutic areas, including cardiovascular, pain and neurology, psychiatry, urology, and ophthalmology.