乙肝病毒携带者的全称是“慢性无症状乙型肝炎病毒携带者”,也可简称为“乙肝带毒者”。全国乙肝带毒者约1.2亿人,这些人中不少是经母婴垂直传播造成感染的。由于婴幼儿期免疫系统发育不完善,机体处于免疫耐受状态,对乙肝病毒的入侵“无动于衷”,形成无症状携带。携带者没有肝炎症状及体征,肝功能正常,只是乙肝表面抗原 The full name of hepatitis B virus carriers is “chronic asymptomatic hepatitis B virus carriers”, also referred to as “hepatitis B carriers.” There are about 120 million people infected with hepatitis B in the country. Many of these people are infected through the vertical transmission of mother and baby. As infants and young children with imperfect development of the immune system, the body is immune tolerance, invasion of hepatitis B “indifferent”, the formation of asymptomatic carriers. Carrier without hepatitis symptoms and signs, normal liver function, but hepatitis B surface antigen