NIBSC / SCIENCE PHOTO LIBRARY NIBSC / SCIENCE PHOTO LIBRARY
AIDS virus. Transmission electron micrograph (TEM) of a T-lymphocyte blood cell infected with Human Immunodeficiency virus (HIV), the causative agent of AIDS. At lower left is the T-cell surface, with spherical virus particles in close proximity. At centre are two viruses, each with a dark core of RNA, and glycoprotein spikes on their surface. HIV instructs the cell to reproduce more viruses which bud away, as here, from the cell membrane, to reinfect other T-cells. By this process of viral budding the T-cell is killed. Depletion of T-cells in the blood results in the destruction of a person's immune system in the disease of AIDS.Mag:x180,000 at 8x10inch,x25,714 at 35mm size.
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