Alexander Skaarsgard, Anna Paquin and Stephen Moyer have stripped down for the September cover of Rolling Stone magazine. wearing nothing but fake blood! "True Blood" creator Alan Ball told Rolling Stone that to him, "Vampires are sex.
Retroviruses are another type of virus. They have RNA instead of DNA. They infect cels and make them make copies of the virus until the cell bursts and spreads the virus. AIDS is a result of the retrovirus HIV