Intestinal infection in 56 patients with HIV related diarrhoea in Lusaka
| Pathogen | Number (%) |
| Microsporidiaa | 20 (34) |
| Isospora belli | 14 (24) |
| Cryptosporidium parvum | 12 (21) |
| Blastocystis hominisb | 6 (10) |
| Strongyloides stercoralis | 3 (5) |
| Giardia intestinalis | 1 (1) |
| Mycobacterium tuberculosis | 4 (7) |
| M avium complex | 2 (3) |
| Negative | 12 (21) |
a Species identified by electron microscopy in seven of these: five Enterocytozoon bieneusi, twoSeptata intestinalis.
b The status of B hominis as a pathogen is controversial.