References
- Zampino R, Boemio A, Sagnelli C et al. Hepatitis B virus burden in developing countries. World J Gastroenterol. 2015;21(42):11941-53.
- Hepatitis B – Annual epidemiological report for 2017. Stockholm: ECDC; 2019.
- Shepard CW, Simard EP, Finelli L et al. Hepatitis B virus infection: epidemiology and vaccination. Epidemiol Rev 2006; 28: 112-25.
- Argaw B, Mihret A, Aseffa A, et al. Seroprevalence of hepatitis B virus markers and associated factors among children in Hawassa City, southern Ethiopia. BMC infectious diseases. 2020;20(1):1-7.
- Hatzakis A, Van Damme A, Alcoin A. The state of hepatitis B and C in the Mediterranean and Balkan countries: report from a summit conference. J Viral Hepat, 2013;20(12):1-20.
- Te HS, Jensen DM. Epidemiology of hepatitis B and C viruses: a global overview. Clin Liver Dis 2010; 14(1): 1-21.
- Hwang EW, Cheung R. Global Epidemiology of hepatitis B virus (HBV) infection. North American J Med Sci, 2011;4(1): 7-13.
- Ott JJ, Stevens GA, Groeger J, Wiersma ST. Global epidemiology of hepatitis B virus infection: new estimates of agespecific HBsAg seroprevalence and endemicity. Vaccine. 2012;30(12):2212-2219.
- Beasley RP. Rocks along the road to the control of HBV and HCC. Ann Epidemiol 2009;19:231-4.
- Akinyemiju, T. et al. The burden of primary liver cancer and underlying etiologies from 1990 to 2015 at the global, regional and national level. JAMA Oncol. 2017;3,1683.
- Elgouhari HM, Abu-Rajab Tamimi TI, Carey WD. Hepatitis B virus infection: understanding its epidemiology, course, and diagnosis. Cleve Clin J Med 2008;75(12): 881-9.
- Todorova T, Tsankova G, Lodozova N. Hepatitis B infection in Eastern regions of Bulgaria. J of IMAB 2016;22(1):1033-1035.
- Kevorkyan A, Teoharov P, Lernout T, et al. Prevalence of HBV and HCV among outpatients in the Plovdiv region of Bulgaria, 2010-2011. J Med Virol. 2015; 87: 401-406.
- Chen CL, Yang JY, Lin SF, et al. Slow decline of hepatitis B burden in general population: results from a population-based survey and longitudinal follow-up study in Taiwan. J Hepatol. 2015;63(2):354-63.
- Gheorghe L, Csiki IE, Iacob S, et al. The prevalence and risk factors of hepatitis B virus infection in an adult population in Romania: a nationwide survey. Eur J Gastroenterol Hepatol. 2013; 25(1):56-64.
- Petrunov B, Kojouharova M, Teoharov P, et al. EU project interreg II: Seroepidemiology study of hepatitis C and B viral infections prevalence in Bulgaria and northern Greece. J Hepatol. 2002; 36: 138-139.
- Teoharov P, Kevorkian A. Molecular epidemiology of HBV and HCV in Bulgaria. VHPB country meeting in Bulgaria. 23-25.03.2011; Sofia. Bulgaria.
- Raimondo G, Allain JP, Brunetto MR et al. Statements from the Taormina expert meeting on occult hepatitis B virus infection. J Hepatol. 2008;49(4):652-7.
- Wang Q, Klenerman P, Semma N. Significance of anti-HBc alone serological status in clinical practice. Lancet Gastroenterol Hepatol. 2017;2(2):123-34.
- Wu T, Kwok RM, Tran TT. Isolated anti HBc: the relevance of hepatitis B core antibody: a review of new issues. Am J Gastroenterol 2017;112:1780-8.
- Zobeiri M. Occult Hepatitis B: Clinical Viewpoint and Management. Hepat Res Treat. 2013; 2013: 259148.
- Said Z. An overview of occult hepatitis B virus infection. World J Gastroenterol. 2011;17(15):1927-38.
- Giudice CL, Martinengo M, Pietrasanta P, et al. Occult hepatitis B virus infection: a case of reactivation receiving immunosuppressive treatment for allogenic bone marrow transplantation. Blood Transfus. 2008;6(1):46-50.
- Mitri MS, Cassini R, Bernardi M. Hepatitis B virus-related hepatocarcinogenesis: Molecular oncogenic potential of clear or occult infections. Eur J Cancer. 2010; 46: 2178-2186.
- Yuen MF, Wong DK, Lee CK et al. Transmissibility of hepatitis B virus (HBV) infection through blood transfusion from blood donors with occult HBV infection. Clin Infect Dis 2011; 52(5): 624-32.
