Emtricitabine / Tenofovir (Truvada, PrEP) is used to treat HIV infection alongside other anti-HIV medications and to help lower the risk of becoming infected with HIV. HIV is a virus that causes AIDS (acquired immune deficiency syndrome).

Founded in 1901, Teva Pharmaceuticals is the world's largest generic manufacturer with a total of 550 drugs. Its largest markets are in the UK, Germany, and the U.S but is in a top three leadership position in over 25 markets. Teva has 70 manufacturing sites including the U.S. and Israel.