HIV, which stands for Human Immunodeficiency Virus, is a virus that is spread through certain bodily fluids. These include semen, blood, rectal fluids, pre-seminal fluids, vaginal fluids, and finally breast milk. It is very common for it be transmitted when people share needles, practice unprotected sex, from contamination in blood transfusion and from mother to child during the process of pregnancy, birth of the baby and breastfeeding. It then travels a person's blood stream and attacks their immune system to weaken it. HIV is never transmitted through liquids like tears, saliva or sweat as long as it is not mixed with blood of an HIV-positive person....