How Does PrEP Block HIV?

How does PrEP work?

When HIV infects a cell, it has an ability to take over some of the mechanisms within the cell and start creating copies of itself. When PrEP is taken on a daily basis, this ability is actually halted. It’s the equivalent of putting in a faulty cartridge into the photocopier. So, what it means is the ability for HIV to replicate is halted. What happens then is that the HIV is stuck within the cell, it’s not able to escape, and our healthy immune system is able to come along and kill the cell including the HIV, which is trapped inside.

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