According to the World Health Organization, as many as100000 people around the world may be infected with this virus. Caused AIDS. Experts believe that about 350,000 people suffer from this disease. In the next five years, there may be1million people infected. In the United States, about 50,000 people died of AIDS. The top medical official in the United States said that more than 90% of Americans infected with HIV five years ago have died. ?

There is no cure for AIDS, and there is no vaccine to prevent AIDS. However, researchers know much more about AIDS than a few years ago. We now know that AIDS is caused by a virus. Viruses invade healthy cells, including white blood cells, which are part of our defense system against diseases. It controls the genetic material of healthy cells and forces them to replicate viruses. The cells then die. Virus particles continue to invade and kill more healthy cells. HIV is carried by human body fluids. The virus can be spread through sex or sharing intravenous drug injection tools. It can also be passed on to developing babies through blood products or from pregnant women with AIDS. ?

Many stories about the spread of AIDS are false. You won't get AIDS because you work or go to school with AIDS patients. You can't get it by touching or drinking glasses or other things used by these people. Experts say that no one is infected with AIDS because of living, caring or contacting with AIDS patients. ?

There are several warning signs of AIDS infection. They include constant fatigue, unexplained weight loss and uncontrolled discharge of waste from the body. Other warnings are white areas in the mouth, dark red areas in the skin, and higher than normal body temperature.