NIBSC / SCIENCE PHOTO LIBRARY NIBSC / SCIENCE PHOTO LIBRARY
AIDS virus. Coloured scanning electron micrograph (SEM) of the surface of a T-lymphocyte white blood cell (purple) infected with HIV viruses (yellow). HIV (Human Immunodeficiency Virus) is the cause of AIDS (Acquired Immune Deficiency Syndrome). This T-lymphocyte is from a culture cell line known as H9. The infected T-cell has a lumpy appearance with irregular surface protrusions. Small spherical virus particles (yellow) seen on the surface are budding away from the cell membrane. This viral infection causes death of T-lymphocyte immune cells and is the main reason for the destruction of the immune system in AIDS. Magnification: x13,400 at 6x7cm size.
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