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Objective To investigate the prevalence and levels of anti-HEV IgG in the population of Jiangsu Province.
Methods Total of 2 656 samples from Qindong and 11 463 samples from Anfeng were colleted. The anti-HEV antibody was qualitatively and quantitatively detected using ELISA kits and the references had been established.
Results The positive rates of anti-HEV IgG in male and female were 55.6% and 40.1%, respectively. The positive rate of anti-HEV IgM in male and female were both 3.4%. In opposite to anti-HEV IgG, the positive rate of anti-HEV IgM in Anfeng was signiifcant higher than that in Qindong. The mean anti-HEV IgG titers for 6 age groups were 0.94, 0.92, 1.07, 1.46, 1.27, 1.19 and 0.68, 1.31, 1.08, 1.14, 1.31, 1.68 IU/ml, in Qindong and Anfeng region, respectively. The positive rate of anti-HEV IgG tended to increase with age and the titer of anti-HEV IgG was associated with age (R>0.90).
Conclusions The results in this study showed that HEV was widely prevalent in both Qindong and Anfeng of Jiansu Province and the prevalence and the anti-HEV IgG titer were associated with gender and age.
