A lab report on a respiratory patient's sample contains the notation MDR-TB. What does this mean?
A. The two standard drugs for TB, isoniazid and rifampin, are not effective.
B. The patient has a mild case of TB.
C. There are almost no drugs that will treat the infection.
D. Most standard drugs for treatment of TB are recommended.
E. The bacteria responsible for the infection are moderately resistant to isoniazid and rifampin.
Answer: A
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