Before 1985, few human microsporidial infections had been reported. Since then, the number of cases has increased dramatically because of recognition of this pathogen in patients infected with HIV. Although most reported infections have occurred in HIV-infected people, the organism…
Cystoisospora belli (formerly Isospora belli ) has been renamed and included in the Cystoisospora genus. Both C. belli and Cyclospora spp. infect the small intestine and have been implicated in diarrheal disease. C. belli, which first was linked with disease…
Human disease caused by Cryptosporidium was first described in 1976 and became recognized increasingly during the HIV epidemic. Improved detection of oocysts in feces has shown Cryptosporidium to be a common cause of diarrhea in both immunocompetent and immunocompromised hosts.…