Бадамначин, Батсүх

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The Dynamics of the Prevalence of Acute Viral Hepatitis and the Strategies against Viral Hepatitis in Mongolia
(2024)
Badamnachin, Batsukh
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Badamjav, Tegshjargal
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Dondov, Ganchimeg
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Dashjamts, Gantogtokh
;
Tserendorj, Chinbayar
BACKGROUND: Hepatocellular carcinoma (HCC) is the most common cancer in Mongolia. The relative importance of hepatitis B virus (HBV) and hepatitis C virus (HCV) infections in HCC etiology is known to vary greatly from one part of the world to another. Principally, 95% of HCC patients have chronic viral hepatitis, including 53% hepatitis B virus, 38.9% HCV, and 5.6% have HBV/HCV coinfection. Hepatitis D virus (HDV) infection is widely spread in our country, anti-HDV has been found in more than 25% of carriers who have HBsAg. MATERIALS AND METHODS: We analyzed data of patients who had been diagnosed with acute viral hepatitis in the Department of adult hepatitis, National Center for Communicable Diseases in Mongolia from 1952 to 2018. RESULTS: A total of 318,831 cases of acute viral hepatitis were registered in Mongolia between 1981 and 2019, which is 34.9 cases per 10,000 population. Of these, 265,931 cases of acute viral hepatitis A, or 28.6 per 10,000 populations, 48,855 cases of acute viral hepatitis B, or 5.5 cases per 10,000 populations, and 2,607 cases of acute viral hepatitis C, or 0.4 cases per 10,000 populations were recorded. CONCLUSION: The prevalence of viral hepatitis in our country was the highest in 1981-1991, but since 2012, the prevalence of infection has steadily decreased. In Mongolia, since 1960, multifaceted programs and activities to combat viral hepatitis have been successfully implemented at the national level. HOW TO CITE THIS ARTICLE: Badamnachin B, Badamjav T, Dondov G, et al. The Dynamics of the Prevalence of Acute Viral Hepatitis and the Strategies against Viral Hepatitis in Mongolia. Euroasian J Hepato-Gastroenterol 2024;14(1):65-69.
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Enhancing access to treatment and programmes for viral hepatitis in an endemic country: a narrative review of literature from 2000 to 2025 (Mongolia)
(Informa UK Limited, 2026)
Dorj, Gantuya
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Lkhagva, Undram
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Dorj, Gereltuya
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Badamnachin, Batsukh
;
Gurbadam, Unenbat
BACKGROUND: Mongolia continues to experience the world's highest incidence of hepatocellular carcinoma (HCC), driven by chronic hepatitis B (HBV) and hepatitis C (HCV) infections. In response, the Mongolian Government has implemented comprehensive public health interventions, including the national 'Healthy Liver Programme,' to reduce viral hepatitis transmission and liver-related morbidity. This narrative review aims to evaluate national strategies, progress, and ongoing challenges in HBV and HCV control. METHODS: Policy documents from government agencies, WHO, and NGOs were reviewed, along with scientific publications retrieved from PubMed, and Embase using terms such as 'HBV,' 'HCV,' and 'treatment access.' Grey literature was also analysed. The review focused on (i) national strategies and action plans; (ii) programmatic interventions, vaccination, screening, and treatment scale-up; and (iii) reported trends in coverage, treatment uptake, and progress towards WHO 2030 elimination targets. Findings were synthesised by comparing policy commitments with implementation outcomes and triangulating evidence across multiple sources. RESULTS: Forty-four peer-reviewed articles and 12 policy documents were included. Mongolia has achieved >95% infant HBV vaccination and 93.9% hepatitis A coverage, reducing HBsAg prevalence among children under five to 0.3% by 2023. Among adults, HBsAg prevalence declined from 6.9% in 2015 to 5.5% in 2023, while HCV prevalence decreased from 6.7% to 3.7%. More than 120,000 HCV infections have been diagnosed, with over half treated through national initiatives; by 2023, 4,700 HBV and 66,959 HCV patients had initiated therapy. Liver cancer incidence decreased from 39.1% in 2016 to 32.7% in 2021, and annual HCC cases fell from 857 in 2015 to 567 in 2022. DISCUSSION: Mongolia aims to reduce viral hepatitis prevalence by 90% and liver-related mortality by 85% in the coming decade. CONCLUSION: While substantial progress has been made, strengthened health system capacity and improved monitoring mechanisms are essential to close remaining gaps and accelerate progress towards hepatitis elimination. SUMMARY: Policy implementation: Mongolia implemented several key policies, including the Targeted Prevention and Control Program to Eradicate Viral Hepatitis (1988-2000), mandatory HBV vaccination, and the Healthy Liver programmes (2016-2020 and 2022-2025).Vaccination programmes: Mongolia was among the first to introduce hepatitis B vaccination for newborns in 1991 and added a pentavalent vaccine in 2005. The HAV vaccine was introduced in 2012, with high coverage rates for children under one year.Healthy liver programme: This programme improved access to diagnostic and treatment options for viral hepatitis, including introducing antiviral medicines and reimbursement for antiviral therapy costs through national health insurance.Success achieved: The incidence of total viral hepatitis was reduced to 0.7 per 10,000 population by 2022, surpassing the goal of 10 per 10,000. HBsAg prevalence in children under five met WHO's regional goal, and HCV prevalence among adults significantly decreased.Treatment access: Patients in Mongolia have access to treatments for HBV, HCV, and HCC with significant reimbursement from the Health Insurance Fund. The affordability of these treatments has improved, making them accessible to a larger population.

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