Parasitosis among apparently healthy immigrant workers at Dammam,Saudi Arabia.

A cross sectional study was conducted on randomly selected 161 apparently healthy immigrant workers in dammam city,with ages ranged between 21 to 40 years. a required data were taken via a designed questionnaire and stool samples were collected and examined microscopically by direct wet mount (saline and iodine stained smears) and by formalin ether concentration sedimentation technique. the results showed 99/161 (55.3%) suffered parasitosis. these were in a descending order they were e. histolytica (50.5%),giardia lamblia (38.8%),enterobius. vermicularis (12.1%),entamaeba coli (12.1%),trichuris trichiura (11.1%),hymenolepis. nana (11.1%),schisto-soma haematobiumn (10.1%),a.scaris lumbricoides (9.09%),s. mansosoni (7.07%),dicrocelium dendriticum (5.05%),and fasciola species (3.03%). on the other hand,72 (44.7%) of the immigrant workers were toxoplasma gondii elisa-igg positive. the intervention programs including health education,strict supervision of health authorities on immigrant workers as well as environmental sanitation are required.