Viatris Inc. is an American global pharmaceutical and healthcare corporation headquartered in Canonsburg, Pennsylvania. The corporation was formed through the merger of Mylan and Upjohn, a legacy division of Pfizer, on November 16, 2020. The name of the corporation comes from the Latin words via, meaning path, and tris, which means three, referring to the path to three main objectives the corporation set: expanding access to medicines, meeting patient needs through innovation, and earning the trust of the healthcare community. Viatris ranked 254th on the 2021 Fortune 500 rankings of the largest United States corporations based on its 2020 total revenue. Wikipedia