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Risk Factors of Hepatitis B Virus Infection in Mongolia
( Dashchirev Munkh-orshikh ),( Badamnachin Batsukh ),( Ganbold Sarangua ),( Oidov Baatarkhuu ) 대한간학회 2020 춘·추계 학술대회 (KASL) Vol.2020 No.1
Aims: To study risk factors of HBV transmission. Background: Mongolia introduced HBV vaccination into routine immunization schedules for newborns and children under1 year of age in 1991, which substantially decreased the incidence of HBV infection. Methods: The study was conducted 200 patients with acute HBV infection, treated in Mongolia from 2015-2017. Results: The mean age of the patients were 26±6.4, of those 57.5% were males and 42.5% were females and 41% were married. 17(8.5%) were vaccinated, 116 were unvaccinated and 67(33.5%) they don’t know whether they were vaccinated or not. 99(49.5%) survey participants were born before 1991, 87(43.5%) were bornbetween 1992-1997 and 14(7%) were born since 1997. A specially developed questionnaire was used to determine the risk factors for HBV infection (last six months): In the serology test, 178(89%) were HBsAg and anti-HBcIgM-both positive and 22(11%) were HBsAg positive and anti-HBcIgM negative. Conclusions: HBV vaccination is effective method for preventing HBV infection. Most common risk factors of HBV infection are household and sexual contacts of people with HBV and having multiple sexual partners.