Parasitic Infections in HIV-Infected Patients

  • Authors: José M. Miró, MD, PhD; Miriam J. Álvarez-Martínez, MD, PhD (More Info)
  • Editors in Chief: Joseph J. Eron, Jr., MD; Daniel R. Kuritzkes, MD
  • Last Reviewed: 10/20/21 (What's New)


  • Cryptosporidiosis is caused by the protozoan parasite Cryptosporidium
  • Cryptosporidiosis causes disease in immunosuppressed persons, particularly those with CD4+ cell counts < 100 cells/mm3
  • Transmission occurs by ingesting fecally contaminated food or water, exposure to fecally contaminated surfaces and objects, or via fecal-oral, person-to-person contact[Goodgame 1996]

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