The pill contains two anti-retroviral medicines, tenofovir and Emtricitabine, that keep the virus from establishing a permanent infection if it enters your body,
the Centers for Disease Control and Prevention(CDC) explains.
The authors write,"Drug costs so far have limited the viability and acceptability of these strategies,
but the recently introduced generic TDF/ FTC(tenofovir disoproxil/ Emtricitabine, The approval for use as an anti-HIV drug in PrEP
and a major component of all nPEP regimens) and the growing public drug coverage in Canada for PrEP may have a significant impact on their use.".