50.3 MB (2.8 MB compressed)
3629 x 4843 pixels
30.7 x 40.9 cm ⏐ 12.1 x 16.1 in (300dpi)
RAMON ANDRADE 3DCIENCIA / SCIENCE PHOTO LIBRARY RAMON ANDRADE 3DCIENCIA / SCIENCE PHOTO LIBRARY
HIV particles exiting a cell. Artwork of HIV (human immunodeficiency virus) particles (red) exiting a T-lymphocyte (white blood cell, yellow). HIV causes AIDS (acquired immune deficiency syndrome). The virus consists of an RNA genome, surrounded by an icosahedral (20-sided) protein nucleocapsid (coat). The whole virus is enclosed in an envelope derived from the host cell's plasma membrane. The envelope has viral proteins integrated into it, including glycoprotein spikes that aid its attachment to host cells. When the virus particles leave the host cell they kill it, leading to a very weak immune system.
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