Parasitic Infections among Restaurant Workers in Mukalla (Hadhramout/Yemen)

Background: to identify intestinal parasites among restaurant workers in mukalla, yemen in 2007. methods: stool specimens were collected and examined from a total of 500 restaurant workers at hadhramout university health center .three types of techniques were used: direct examination, saline sedimentation and formol-ether concentration. results: the positivity in majority of them was single infection whereas 6 cases were double infection that constituted 1.3% of the prevalence. the prevalence was 14.8 % for entamoeba histolytica/dispor, and 5.2 % for giardia lamblia, while it was 4.4% for hymenolepis nana. other intestinal parasites including ascaris lumbricoides, ancylostoma duodinale were also detected. additionally, the blood parasite schistosoma mansoni was also detected in 4 cases. the double infection was only with e. histolytica/dispor and giardia. the infection with these parasites was also accompanied by abdominal troubles diarrhea, constipation, nausea and vomiting. conclusion: these results lead to understand that sanitary measurements are not effective, and this hazardous situation facilitate parasitic agents' distribution among clients. the effectiveness of current pre-employment screening policy must be annual and systematic surveillance is needed in addition to health education.