Abstract

Amoebiasis is still a big problem of human civilization at the beginning of 21^st century, so every study from this field is valuable. The present study elaborated the prevalence ofEntamoeba histolytica in Pakistani human. During the study, 4712 fecal samples of human were studied by using microscope from October 2008 to January 2010 at a private fertilizer company hospital, Engro Fertilizers, Pakistan. Out of 4712 hosts, 52.1% were infected with E. histolytica. The relationship between sex and E. histolytica in human was calculated. According to these results, the infection of E. histolytica was more prevalent (31.5%) in female hosts as compared (19.6%) in male hosts. The relationship between age and E. histolytica in human was also determined. According to these results, E. histolytica had highest prevalence (28.7%) in age group of 1 day - 5 years, 13.9 % in age group of 6 - 15 years and the infection was 12.1% in age group of 16 - 59 years. High prevalence of E. histolytica in females, young ones and older people is due to low immunity, low level of hygiene, poor sanitary conditions and other socio-economical factors.

Key words: Entamoeba histolytica, prevalence, sex, age, microscopic analysis.