25.0 MB (2.8 MB compressed)
3626 x 2414 pixels
30.7 x 20.3 cm ⏐ 12.1 x 8.0 in (300dpi)
HUBERT RAGUET / LOOK AT SCIENCES / SCIENCE PHOTO LIBRARY HUBERT RAGUET / LOOK AT SCIENCES / SCIENCE PHOTO LIBRARY
Tuberculosis vaccine research. DNA (deoxyribonucleic acid) sequene from antigen 85, part of the Bacillus Calmette-Guerin (BCG) vaccine against tuberculosis (TB). Antigen 85 is a complex of 3 proteins secreted by the Mycobacterium tuberculosis bacterium, the cause of TB. The bacteria infect the lungs creating primary tubercles, nodular lesions of dead tissue and bacteria. The bacteria may enter the blood or lymph system and spread to other organs of the body. Photographed at the Institut Pasteur, Brussels, Belgium.
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