Incidence of Toxoplasmosis gondii in Najran region,KSA.

Toxoplasmosis is an endemic disease all over the world. in surveying 210 individuals randomly selected from najran area for anti-toxoplasma igg and igm using elisa,igg was detected in 67 cases (31.9%) of the examined sera. the examined group includes (117) male,(75) female and (18) children. four children (22.2%),33 females (44%) and 30 males (25.6%) were found positive for igg with statistically significant sex difference (p< 0.01). all serum samples were found negative for igm except in one male child (0.48%) who indicates a recent infection. the samples were collected from 3 different localities: the capital city of narran,and sharourah and habona provinces. the highest anti-toxoplasma igg percentage positivity was reported among sharourah inhabitants (47%) and the least was reported in the city of najran (19.3%). moreover,a statistically significant direct increase in the percentage positivity of anti-igg levels was found with increasing age. the high rate of infected females has to be considered and further expanded study has to be carried out.