乙型肝炎是严重危害人类健康的病毒性肝炎之一,是全球性传染病,全世界HBsAg携带者约3.2亿,其中亚洲占2.2亿。我国“健康人群”乙肝感染者大约有1.2亿,属乙肝高流行区,HBsAg流行率平均为9.75%,在国内有明显的地区和城乡差异[1]。青少年是祖国的未来和希望,保护易感人群免受传染 Hepatitis B is one of the most serious viral hepatitis that endangers human health. It is a global infectious disease with about 320 million HBsAg carriers around the world, including 220 million in Asia. The number of HBsAg-infected persons in China’s healthy population is about 120 million, which is a high prevalence area of ​​hepatitis B. The average prevalence of HBsAg is 9.75%. There are obvious regional and urban-rural differences in China [1]. Adolescents are the future and hope of the motherland and protect the vulnerable from contagion