Bacterial Infections

  • Author: Harjot K. Singh, MD (More Info)
  • Editors in Chief: Joseph J. Eron, Jr., MD; Daniel R. Kuritzkes, MD
  • Last Reviewed: 8/31/21 (What's New)


  • Differential diagnosis of pneumonia in persons with HIV includes P jirovecii pneumonia or tuberculosis
  • Other possible bacterial pathogens include H influenzae, Klebsiella spp, Staphylococcus aureus, and viral agents
  • Pseudomonas aeruginosa occurs with some frequency in patients with HIV who have CD4+ cell counts < 50 cells/mm3[Afessa 2000; ref: CDC OI]

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