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In the pharmaceutical industry, GSK ranks as one of the largest firms by total sales. The company wields its might across several therapeutic classes, including respiratory, antiviral, and vaccines, and has been growing its presence in oncology and immunology, as well. GSK uses joint ventures to gain additional scale in certain markets like HIV.

Eli Lilly is a drug firm with a focus on neuroscience, cardiometabolic, cancer, and immunology. Lilly's key products include Verzenio and Jaypirca for cancer; Mounjaro, Zepbound, Foundayo, Jardiance, Trulicity, Humalog, and Humulin for cardiometabolic; and Taltz and Olumiant for immunology.