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TEM of single HIV - AIDS virus

TEM of single HIV - AIDS virus

M050/0013

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Credit

U.S. NATIONAL CANCER INSTITUTE / SCIENCE PHOTO LIBRARY. U.S. NATIONAL CANCER INSTITUTE / SCIENCE PHOTO LIBRARY.

Caption

Transmission electron micrograph (TEM - orange tint) of a single virion of a virus causing AIDS (Acquired Immune Deficiency Syndrome). The virus (designated HIV - Human Immunodeficiency Virus) affects T-lymphocyte cells of the immune system, particularly T-helper cells responsible for stimulating B-lymphocytes, which produce antibodies. This undermines the body's defence system so that it can no longer destroy "opportunistic" infections, notably pneumonia & Kaposi's sarcoma. Transmission of the virus is by sexual contact, through contaminated needles or transfused blood products (eg. Factor VIII). Diameter of spherical virus is 100 nanometers.

Release details

Model release not required. Property release not required.

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