Table 2.
Prevalence of enteroparasites in Peruvian Amerindians.
| Ashaninka (n = 21) | Awajùn (n = 34) | Shipibo (n = 21) | Quechua-Cusco (n = 14) | |
|---|---|---|---|---|
| Entamoeba coli* | 0.09 | 0.18 | 0.24 | 0.64 |
| Entamoeba histolytica* | 0.14 | 0.03 | 0.19 | 0 |
| Blastocystis hominis* | 0.24 | 0.20 | 0 | 0 |
| Giardia lamblia* | 0.24 | 0.12 | 0.33 | 0.07 |
| Ascaris lumbricoides* | 0.28 | 0.26 | 0.14 | 0.14 |
| Enterobius vermicularis* | 0.14 | 0 | 0 | 0 |
| Strongyloides stercoralis* | 0 | 0 | 0.05 | 0 |
| Trichuris trichiura* | 0 | 0 | 0 | 0 |
| Ancylostoma/necator* | 0.09 | 0.09 | 0 | 0 |
| Taenia spp.* | 0 | 0 | 0 | 0 |
| Hymenolepis nana* | 0.09 | 0.03 | 0.28 | 0 |
| Paragonimus spp. | 0 | 0 | 0 | 0 |
| Schistosoma mansoni | 0 | 0 | 0 | 0 |
| Fasciola hepatica | 0 | 0 | 0 | 0 |
| By phylum | ||||
| Protozoa* | 0.62 | 0.35 | 0.57 | 0.71 |
| Nematoda* | 0.43 | 0.32 | 0.19 | 0.14 |
| Cestoda* | 0.09 | 0.03 | 0.28 | 0 |
| Trematoda | 0 | 0 | 0 | 0 |
Parasite prevalence is calculated as frequency of infected individuals for each community sampled. Prevalence is given by species (or by phyla) in the four communities studied.
*
Parasites thought to be chitin-bearing are marked with asterisk.