Gilead Sciences, Inc. is a biopharmaceutical company. The Company is focused on the discovery, development and commercialization of medicine to prevent and treat diseases, including human immunodeficiency virus (HIV), viral hepatitis and cancer. The Company’s products for HIV/AIDS patients include Biktarvy, Genvoya, Descovy, Odefsey, Truvada, Complera/Eviplera, Stribild, and Atripla. Its COVID-19 product is Veklury. The products for liver diseases include Epclusa, Harvoni, Vosevi, Vemlidy, and Viread. The products under hematology/oncology/cell therapy include Yescarta, Tecartus, Trodelvy, and Zydelig. The other products include Letairis (ambrisentan), Ranexa (ranolazine), Cayston, Jyseleca, and AmBisome (amphotericin B liposome for injection). The Company also sells and distributes generic versions of Epclusa and Harvoni in the United States. The Company is also focused on restoring immune balance with agonists targeting immune inhibitory receptors.