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Transmission of AIDS: 
- By sharing needles of injections. 
- Having sexual contact with the diseased person. 
- From an infected mother to child during pregnancy or breastfeeding.

The effects of AIDS: 
- It kills the cells of the immune system. 
- The immune system cannot then fight to remove infections. 
- The ultimate result is death. 

The medicines can only help the patient because there is not any desired cure.