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 negative, 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 glass beads. An HIV-negative result is obtained when cells on the beads fluoresce green. These are intact "live" cells representing no antibody-antigen being active, and no HIV antigen found in the patient's blood. The HLA test (called a complement-fixation test) can, when HIV positive, 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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