| seroprevalence of entamoeba histolytica infection in china. | the seroprevalence of entamoeba histolytica infection in the residents of seven provinces in china was examined by using an enzyme-linked immunosorbent assay with a crude antigen and a recombinant surface antigen, c-igl, of the parasites. a total of 1,312 serum samples were investigated. the positivity rates for these two antigens were 11.05% and 6.25%, respectively. there was no significant difference in the seropositivity to e. histolytica between men and women. we used a logistic regression m ... | 2012 | 22764298 |