The laboratory has received approximately 110 cdc anaerobe 5% sheep blood agar prepared plated media that were contaminated with listeria monocytogenes.Most of the plates have only one colony but some plates have several colonies.The colonies can be seen on the contaminated plates through the sealed packages straight out of the box with no incubation involved. =
manufacturer response for prepared plated media: cdc anaerobe 5% sheep blood agar, bbl cdc anaerobe 5% sheep blood agar (per site reporter).
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