Extensively Drug-Resistant Tuberculosis Diagnosis
How quickly can XDR-TB be diagnosed?
This depends on the patient's access to health care services. If TB bacteria are found in the sputum, TB can be diagnosed in a day or two, but this finding will not be able to distinguish between drug-susceptible and drug-resistant forms. To evaluate drug susceptibility, the bacteria need to be cultivated and tested in a suitable laboratory. Such a final diagnosis for TB, and especially XDR-TB, may take 6-16 weeks. To reduce this period, new tools for rapid TB diagnosis are urgently needed.
Notes:
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Extensively Drug-Resistant Tuberculosis
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(last edited May 29, 2009)
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