A total of 63 HIV/AIDS patients with acute respiratory infections admitted to "Pedro Kouri" Tropical Medicine Institute's hospital from January to August 1997 were studied. 545 samples in all were processed: 153 sputa, 150 hemocultures, 110 pharyngeal exudates, 61 nasal exudates and 63 otic exudates. The correlation of the results from the acridine orange technique, Gram staining and culture was studied.
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