Also important is blood. As AIDS through blood mean infection through the blood supply, which is a substance which may shed the HIV from blood donation which AIDS as well as used syringes together a route in groups of drug users.
Another factor is that the blood of HIV-infected blood through the blood means the fluids with HIV, which can be made from donated blood with HIV. Including using a circular needle sharing among drug abusers.
Another factor that matters is the blood of AIDS through blood, mean infection via blood, which is a biological fluid with infections. HIV which may be from a blood donation with AIDS