... system if you are infected with HIV (human immunodeficiency virus). HIV attacks and destroys CD4 cells. Without treatment, HIV may destroy so many CD4 cells that your immune system will have trouble fighting off infections. HIV is the virus that causes AIDS (acquired immunodeficiency syndrome). AIDS is the most serious stage of ...

... see whether you are infected with HIV (human immunodeficiency virus). HIV is a virus that destroys certain cells in your immune system . These cells protect your ... and fungi. If you lose too many immune cells, your body will have trouble fighting off infections and other diseases. HIV is spread through contact with blood and other body fluids from a person who has an HIV infection. This usually happens during sex or when sharing needles or other items used to inject drugs. HIV is the virus that causes AIDS (acquired immunodeficiency syndrome). AIDS is the final, most serious stage ...

... and fungi. If you lose too many immune cells, your body will have trouble fighting off infections and other diseases. You can get HIV from contact with the blood or other body fluids of a person who has an HIV infection. This usually happens through sex or sharing needles or other equipment used to inject drugs. HIV is the virus that causes AIDS (acquired immunodeficiency syndrome). AIDS is the final, most serious stage ...

... thrush). You may also need this test if immunodeficiency runs in your family, or your provider thinks ... immunoglobulin levels may be a sign of an immunodeficiency (a condition where your body's immune system can' ... you were born with, such as common variable immunodeficiency disorder (CVID) Some possible causes of high levels ...

... screens]. Available from: http://primaryimmune.org/about-primary-immunodeficiencies/specific-disease-types/selective-iga-deficiency/ Nemours KidsHealth [ ...