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Prevalence of Intestinal Parasitic Infections in Mojo Health Center, Eastern Ethiopia: A 6-year (2005-2010) Retrospective Study

Bayissa Chala

The aim of this cross-sectional study was to determine the prevalence of intestinal parasites and to evaluate changes in the annual rates by retrospective screening of the data from Mojo Health Center’s laboratory between the period of 2005 and 2010, in Eastern central Ethiopia. To strengthen clinical study, the survey was supplemented with observational study and pre-coded questionnaires for the assessment of awareness level of treatment seeking respondents towards specific health indicators and disease transmission, prevention and control mechanisms and outsourcing and handling of drinking water and food as well as the health Center staff to observe the status of common intestinal parasites across the 6 years. The present study showed that the prevalence of intestinal parasite infection during 6 years ranged from 7.4 to 15.2%. The total average prevalence of parasites was 5007 (9.3%). Of the nine parasites detected, multi-infection was common, especially with the two most prevalent protozoan parasites (E. histolytica and G. lamblia). In 2006, a peak prevalence of 8.3% for E. histolytica/E. dispar and 6.5% for G. lamblia was experienced. The least prevalent intestinal parasite was Trichuris trichiura with about 0.001% prevalence. Even though a slight decline in the annual prevalence of parasitosis was apparent, it was noticed that the parasitic diseases are still a significant health problem in this country. Environmental sanitation improvement and health education promotion at different levels of Mojo district and empowering the laboratory department of the health center can be quite indispensable for control and prevention of parasitic infections in the area.