household-based prevalence of helminths and parasitic protozoa in rural kwazulu-natal, south africa, assessed from faecal vault sampling. | this study was undertaken to examine the family-based prevalence of environmentally persistent parasites in two rural communities of kwazulu-natal, south africa. samples were collected from 120 urine-diversion family toilets and screened for selected protozoa and helminths with immunomagnetic separation and the ammonium bicarbonate (ambic) protocol respectively. the parasites found were ascaris lumbricoides (59%), giardia intestinalis (54%), trichuris trichiura (48%), cryptosporidium spp. (21%) ... | 2010 | 20684963 |