What are the underling root causes of HIV?

Answer:

The underling root of HIV is direct sex. When a person is HIV positive and another person is HIV negative and they have direct sex, the HIV moves into the HIV negative person and the HIV is now positive in both of the persons.

First answer by Jessy xXx. Last edit by Swimfreak10. Contributor trust: 0 [recommend contributor recommended]. Question popularity: 2 [recommend question].