AIDS prevention is the best. To the public, all people of all ages with cognitive aids correctly. So that he can not behave himself infected with AIDS.Depending on the action itself.
The best AIDS prevention is to provide people of all ages all over the village. Have a knowledge and understanding of the AIDS correctly. So that he can conduct himself, operating the AIDS infection. Depends on their own actions.
prevent the spread of AIDS, it is the best among all the people, the battalions of all ages have the knowledge and understanding of HIV/AIDS, so that they will behave themselves, not HIV/AIDS.Depending on your own actions.