Viatris Inc. operates in four segments: Developed Markets, Greater China, JANZ, and Emerging Markets.The company offers drugs in various therapeutic areas, including noncommunicable and infectious diseases; biosimilars in the areas of oncology, immunology, endocrinology, ophthalmology, and dermatology. It distributes its products through pharmaceutical wholesalers/distributors, pharmaceutical retailers, institutional pharmacies, mail-order and e-commerce pharmacies, and specialty pharmacies.