Respuesta :
Pre-exposure prophylaxis, or PrEP, is a way for people who do not have HIV but who are at substantial risk of getting it to prevent HIV infection by taking a pill every day. The pill (brand name Truvada) contains two medicines (tenofovir and emtricitabine) that are used in combination with other medicines to treat HIV.
Answer and Explanation
The pre-exposure prophylaxis is a process by which a person could be immunized before he or she getting attacked by the disease. This is like people use to prevent themselves from the disease like HIV, polio, measles and many other diseases. The pre-exposure prophylaxis can be done by medicine or other types of vaccinations also available for the prophylaxis. Even for hepatitis different prophylactic injections given to avoid such diseases.