Syphilis was a chronic sexually transmitted disease and was caused by caused Treponemapallidium. The study was conducted on serological diagnosis of syphilis by Elisa and cassette, and data on syphilis (2015,2016 ,2017) at Teaching Al-Haboubi Hospital at the Marriage Examination unit and the main Blood Bank In the province of Dhi Qar. This study revealed the people coming to marry for the year (2015, 2016,2017) of the Number (2400 ,2000 ,1600) people respectively and from different areas of the

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... province of Dhi Qar. A total of 83,50,25 persons were found to have positive results for syphilis using ELISA and cassette Method rate (158). While in the main blood bank (2015,2016,2017) among male donors, the number of people (32,600, 28,200 and28,250) respectively, and from different areas of Dhi Qar Governorate, found that 149,148,100 persons respectively showed positive results rate (397). The rate of syphilis at the marriage examination unit in 2015 was higher than in 2016 and 2017, while in the main blood bank the rate of infection in 2016 was higher than in 2015 and 2017. The study also showed that syphilis data for (2015,2016,2017) that the most infected people from the center of the province of Dhi Qar (Nasiriyah) more than the districts (shatrah, Rifai ,suq-alshuyukh , AL-Gharaf) , where he recorded the highest infection in Nasiriyah for three consecutive years (197 ,171 ,104) and recorded less infection Garraf for three consecutive years (5 ,1 ,0 ). According to the age group, the highest incidence was among those who were married (80) in the age group (25-35) and the lowest infection (13) in the age group (55-63), while among the male donors blood bank highest (212) in the age group (35-45) and the lowest (34) among the age group (25-35) .