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152099 Microbiology

A patient with symptoms of a UTI has a culture taken, which grows 5×103 E. coli. The laboratory reports it as “insignificant.” Which of the following is the most appropriate next step in management?

AConsider vancomycin as an alternative drug
BDetermine if fluorescent microscopy is available for the diagnosis of actinomycosis
CDo no further clinical workup
DSuggest to the laboratory that low colony counts may reflect infection; follow up with culture
Microbiology
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