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This is an example of an antibiotic sensitivity test on a mixed culture of Escherichia coli, and a Proteus sp., at a pH 7.2. The size of the inhibition zones surrounding the antibiotic-impregnated paper disks, depends on the sensitivity of the bacteria present in the agar to the antibiotic, and the antibiotic's ability to diffuse through the culture medium.
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Content Providers(s):CDC
Creation Date:1971
Photo Credit:
CDC Organization
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