FILE PHOTO: The logo of Swiss drugmaker Novartis and its divisions Sandoz and Alcon are seen at an office building in Rotkreuz, Switzerland, January 29, 2020. REUTERS/Arnd Wiegmann/Fle Photo
FILE PHOTO: The logo of Swiss drugmaker Novartis and its divisions Sandoz and Alcon are seen at an office building in Rotkreuz, Switzerland, January 29, 2020. REUTERS/Arnd Wiegmann/Fle Photo