Hepatitis B Vaccination Program in Fenghua District Shows Promising Results

A recent study evaluating the effectiveness of the hepatitis B vaccination program in Fenghua district, Ningbo city, from 1992 to 2020, has yielded remarkable results. The research, conducted by the Fenghua District Center for Disease Control and Prevention, aimed to assess the positive rates of hepatitis B surface antigen (HBsAg) and hepatitis B surface antibody (anti-HBs) in the district over a nearly three-decade period. The study found that the positive rate of HBsAg across the entire population declined significantly from 13.79% in 1992 to 5.42% in 2020, indicating a substantial decrease in the incidence of hepatitis B among young age groups.

Key Takeaways:

  • The hepatitis B vaccination program in Fenghua district has significantly decreased the positive rate of HBsAg from 13.79% in 1992 to 5.42% in 2020.
  • The incidence of hepatitis B among young age groups has also decreased substantially over the same period.
  • The study used a decision tree-Markov model to evaluate the effectiveness of hepatitis B vaccination in newborns from 1992 to 2020.
  • The research concluded that the hepatitis B vaccination program has yielded remarkable results and emphasized the need to continue enhancing the vaccination efforts for newborns.
  • The study involved a follow-up survey in 2020 to collect epidemiological data on hepatitis B serology in Fenghua district.
  • The research team consisted of Yuqi SHAO, Weibo DONG, Wei FENG, Yingping XIA, Hang HONG, and Sanjun FU, all affiliated with the Fenghua District Center for Disease Control and Prevention.

Statistics:

  • The positive rate of HBsAg declined from 13.79% in 1992 to 5.42% in 2020 (\(\chi^{2}=31.73\), P \(<\).01).
  • The incidence of hepatitis B among young age groups decreased from 1992 to 2020.
  • The study covered a nearly three-decade period, from 1992 to 2020.
  • The research used a decision tree-Markov model to evaluate the effectiveness of hepatitis B vaccination in newborns.

Sources:

  • Evaluation of the effectiveness of hepatitis B vaccination among newborns in Fenghua district, Ningbo city from 1992 to 2020: a follow-up study. Zhongguo gonggong weisheng, 2025,41(8):961-965. Editorial Office of Chinese Journal of Public Health.
  • Our news journalists report that more information may be obtained by contacting Yuqi SHAO, Fenghua District Center for Disease Control and Prevention, Ningbo 315500, People's Republic of China.