Entamoeha dispar is a commensal and non-pathogenic amoeba occurring in the large intestine of the human. E. dispar is identical to pathogenic Entamoeba histolvtica with regards to morphology.
Laboratory diagnosis of it from E. histolytica, the causative agent of human amoebiasis, is important both clinically and epidemiological studies. Sixty sera from individual infected with E. dispar and 32 sera from healthy persons were collected and tested by using IFA for antibody to amoebiasis. All sera [100%] of healthy individual and 30 [96.7%] of individual infected with E. dispar found to be contained antibodies to amoebiasis in l: 40 and lower rates. The mean rate of antibody in both control and study groups were lower than 1: 10 and was not significantly different by x  statistical analysis. This results show that in E. dispar cyst passer and healthy persons the mean level of antibody is similar and very lower than diagnostic titer valuable for diagnosis of amoebiasis
H. Hooshyar ,H. Hooshyar ,M. Rezaian ,
Comparison of antibody titers against amoebiasis in entamoeba dispar carrier and healthy individuals,
Iran. J. Basic Med. Sci. 2003;
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