Odpowiedz na komentarz
Submitted by Erea (not verified) on Tue, 09/06/2015 - 16:18.
This videos teach me about HIV, the effects that produce, how you can spread this disease and also how to prevent it. I also learn why there is not vaccination for this, the reason is that HIV change in every person so it's very difficult to investigate. Now I know many things that I didn't know.