我省今年免费为20岁至50岁未接种或无保护性抗体人群接种乙肝疫苗

Group 1 - The core initiative of Hainan Province is to provide free hepatitis B vaccinations to individuals aged 20 to 50 who have not been vaccinated or lack protective antibodies, aiming to immunize 100,000 people this year to reduce new hepatitis B cases [1][3][6] - Hainan is the first province in China to launch an action to eliminate the hazards of hepatitis, with a pilot program initiated in 2021 under the guidance of the China Hepatitis Prevention Foundation [2][3] - The vaccination program has expanded this year to include individuals aged 40 to 50, targeting high-risk groups, particularly those aged 30 to 45, who have a higher infection rate of hepatitis B surface antigens [3][6] Group 2 - Clinical data indicates that approximately 80% of liver cancer patients have a history of hepatitis B infection, highlighting the importance of preventing hepatitis to reduce liver cancer cases [2] - The vaccination program is part of a broader health service package implemented in 2023, which includes screening for hepatitis B and providing treatment and health management services for identified patients [2][3] - The vaccination campaign has shown significant progress, with over 100,000 first doses administered and a second dose coverage rate of 92.15%, with plans for the third dose to begin on October 10 [6]