LONDON SCHOOL OF HYGIENE & TROPICAL MEDICINE / SCIENCE PHOTO LIBRARY. LONDON SCHOOL OF HYGIENE & TROPICAL MEDICINE / SCIENCE PHOTO LIBRARY.
False colour transmission electron micrograph of human T-cell leukaemia viruses III (HTLV-111), the cause of AIDS,Acquired Immune Deficiency Syndrome. They are seen here budding off from an H9 cell, a special cancer cell line for culturing the virus. HTLV-111 affects T-lymphocyte cells of the immune system, particularly T-helper cells, which are responsible for stimulating the antibody- producing B-lymphocytes. The body's defence system is undermined & prey to "opportunistic" infections, notably pneumonia & Kaposi's sarcoma. The virus is transmitted by sexual contact through mixed blood products. Mag: X 51,300 at 35mm size.
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