Culture Bound Assumptions in Behavior Intention Models.] abstract - Many models of consumer behavior include fundamental assumptions which are rarely questioned.
Pre-exposure prophylaxis (PrEP) is a course of HIV drugs taken daily by HIV negative people most at risk of HIV to reduce their risk of HIV infection. Truvada is currently the only drug approved for use as PrEP. Truvada is a single pill that is a combination of two anti-HIV drugs, tenofovir and emtricitabine.
With Post-Exposure Prophylaxis (PEP), you take an HIV medication immediately after the exposure to HIV to prevent infection. With PrEP, if you are HIV-negative, you take Truvada before possible exposure to HIV to prevent infection. Truvada is a combination of the drugs Emtriva and Viread.It was originally approved for treatment in 2004.ruvada, the PrEP drug, costs between $8,000 and $14,000 per year. You will also have to figure in the cost of four medical check-ups annually and possible lab tests.