HIV or AIDS is a life threatening health problem. So far no effective treatment for HIV / AIDS has been discovered. The best way to prevent AIDS is to learn about prevention , treatment and AIDS. AIDS or AIDS is a contagious disease caused by the HIV ( Human Immunodeficiency Virus) virus. It weakens the immune system of the human body. HIV infection can lead to other diseases such as pneumonia , meningitis and even cancer. The next stage of HIV infection is called AIDS ( Acquired Immunodeficiency Syndrome) . The signs and symptoms of HIV and AIDS vary depending on the stage of the infection. Signs and symptoms of AIDS In the early stages of the infection, usually there are fever, headache, sore throat, swollen lymph glands, swollen lymph glands, and rashes on the body . In the aftermath of infection, swollen lymph nodes, diarrhea, body weight loss, fever, cough and shortness of breath are common. In the late stages of the infection, usually at night with a fever of 100 degrees Fahrenheit (36C) or higher for a few weeks with intense sweating or chills, dry cough and shortness of breath. Prolonged diarrhea. Severe fatigue and swelling of the joints for more than three months.