Tuberculosis strain thrives on antibiotic

Scientists have identified a strain of antibiotic-resistant tuberculosis that thrives in the presence of rifampin, a front-line drug in the treatment of tuberculosis. The researchers determined that the bacteria grew poorly in the absence of the antibiotic rifampin and better with it. The patient's condition also worsened with treatment regimens containing rifampin, before being cured with rifampin-free regimens. The study is among the first to document the treatment of a patient with rifampin-dependent infection.

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