Presumptive test for mycobacterium tuberculosis

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The acid fast stain of a specimen shows the presence of pink rods, giving a positive presumptive test for Mycobacterium tuberculosis. However, when the immunofluorescent antibody test is preformed the results is negative. Why?

Reference no: EM132761718

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Presumptive test for mycobacterium tuberculosis : The acid fast stain of a specimen shows the presence of pink rods, giving a positive presumptive test for Mycobacterium tuberculosis.
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