Fluorescent LM view of HIV+ blood in HLA typing

Fluorescent LM view of HIV+ blood in HLA typing

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This image is part of the feature Natural Immunity To Hiv

Credit: SINCLAIR STAMMERS/SCIENCE PHOTO LIBRARY

Caption: HIV+ blood test by HLA typing. Fluorescent light micrograph view of human white blood cells testing HIV-positive, in a "Human Leucocyte Antigen" (HLA) blood-typing test. HIV (Human Immunodeficiency Virus) is the virus which causes AIDS. Here, a patient's "leucocyte" white blood cells are coated on small orange glass beads. An HIV-positive result is obtained when cells on the beads do not fluoresce green, but instead die. The cells die when an antibody-antigen complex is active because the patient's blood sample contains antigens from the HIV virus. The HLA test (called a complement- fixation test) can tell the severity of infection by the strength of the antibody-antigen reaction.

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Keywords: aids antibodies test, antigen test, blood, blood test, blood testing, clinical, haematology, healthcare, hematology, hiv, hiv antibodies test, hla type, hla typing, hospital test, human leucocyte antigen test, leucocyte, leukocyte, light micrograph, medical, medicine

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