SPUTNIK / SCIENCE PHOTO LIBRARY SPUTNIK / SCIENCE PHOTO LIBRARY
Editorial use only.
Mobile HIV testing clinic. Lab assistant conducting a rapid HIV (human immunodeficiency virus) test in a mobile clinic as part of an HIV awareness event marking World AIDS Day. HIV infects the immune system's T-lymphocytes, ultimately killing them, leading to a very weak immune system and causing AIDS (acquired immune deficiency syndrome). Photographed in Yekaterinburg, Russia, in 2010.
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