HIV stands for Human Immunodeficiency Virus. It is a virus that can live inside your body and attack your immune system. Your immune system is what keeps you from getting sick.

AIDS stands for Acquired Immune Deficiency Syndrome. It is a medical condition caused by having the HIV virus. People with AIDS have lowered resistance to infections, meaning they get sick easily. There are medications to help people stay healthy, but many people with AIDS have died because they can’t fight off sicknesses caused by viruses, bacteria and cancers.