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These two photomicrographs depict how the outcome of the fluorescent antibody (FA) test is affected by the presence, or absence of Francisella tularensis bacteria in a mouse liver tissue specimen. The image at left depict a negative FA test in a mouse tissue specimen stained with a control conjugate, while the liver tissue specimen on the right, stained with the same control conjugate, gave rise to a positive FA test, due to the presence of F. tularensis bacteria.
High Resolution: Click here for hi-resolution image (17.99 MB)
Content Providers(s):CDC/ Ann Herbert
Creation Date:1974
Photo Credit:
CDC Organization
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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.