Pfizer Inc. is a research-based, global biopharmaceutical company. The company boasts a sustainable pipeline with multiple late-stage programs that can drive growth. Pfizer markets a wide range of drugs and vaccines. Its business comprises six business units - Oncology, Inflammation & Immunology, Rare Disease, Hospital, Vaccines and Internal Medicine. Pfizer spinned-off its Upjohn unit, its off-patent branded and generic established medicines business, and combined it with generic drugmaker Mylan to create a new generic pharmaceutical company called Viatris. The Consumer Healthcare (CHC) segment, an over-the-counter (OTC) medicines business, was merged with Glaxo's unit to form a new joint venture.?The Consumer Healthcare joint venture with Glaxo and the merger of Upjohn unit with Mylan has made Pfizer a smaller company with a diversified portfolio of innovative drugs and vaccines.