USMLE Step 1 Quiz
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IMMUNOLOGY
Question 1 of 20
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A 52-year-old man with AIDS, who is non-adherent to his antiretroviral therapy, presents with a 3-week history of fever, night sweats, weight loss, and diarrhea. His last recorded CD4 count was 30 cells/mm³. Blood cultures are performed and eventually grow an acid-fast bacillus.
The pathogen responsible for this patient's disseminated disease is most likely which of the following?
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