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ID#:12151
Description:Caption:
This historic 1965 photograph, depicted a laboratory technician, as he was employing a microtechnique, during an analysis, which would test for the suspected presence of antistreptolysin O (ASO or ASLO), in a patient’s serum samples. ASO is an antibody, produced by a person infected with Lancefield group A streptococci bacteria, in response to the bacterial production of an enzyme, i.e., antigen, streptolysin O. This enzyme is one of two, produced by this pathogen, which is involved in the hemolytic reaction seen in specific streptococcal infections. Hemolysis is the physical breakdown of red blood cells (RBCs).
High Resolution: Click here for hi-resolution image (14.14 MB)
Content Providers(s):CDC/ Cecil Duncan
Creation Date:1965
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Copyright Restrictions:None - This image is in the public domain and thus free of any copyright restrictions. As a matter of courtesy we request that the content provider be credited and notified in any public or private usage of this image.

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