Gilead Sciences, Inc. is a biopharmaceutical company. The Company is engaged in advancing medicines to prevent and treat life-threatening diseases, including human immunodeficiency virus (HIV), viral hepatitis, COVID-19, cancer and inflammation. It is focused on discovering, developing and delivering medicines to address unmet medical needs in virology, oncology and other therapeutic areas. Its portfolio of marketed products includes Biktarvy, Genvoya, Descovy, Complera/Eviplera, Symtuza, Truvada, Stribild, Sunlenca, Epclusa, Vemlidy, Harvoni, Viread, Livdelzi, Veklury, Yescarta, Tecartus, Trodelvy, AmBisome, and Letairis. Its product candidates include Bulevirtide, Lenacapavir, Axicabtagene ciloleucel, Anitocabtagene autoleucel, Sacituzumab govitecan-hziy, and Domvanalimab and zimberelimab. Biktarvy is an oral formulation dosed once a day for the treatment of HIV-1 infection in certain patients. It operates in more than 35 countries worldwide.