A 25-year-old male was admitted to the hospital with thrush, diarrhea, unexplained weight loss, and difficulty in breathing. Cul
tures of pulmonary fluid revealed the presence of Pneumocystis jiroveci. The man admitted to being a heroin addict and to sharing needles in a "shooting gallery." What additional virus should this man be tested for?
A. Hanta virus infection
B. measles
C. HIV
D. AIDS
