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广西壮族自治区正在普遍推广乙型肝炎（乙肝）疫苗接种，为了解城市和农村乙肝疫苗的接种率和血清学效果，于1994～1995年在南宁等5个城市和农村三类地区，按容量比例概率抽样法，抽取1991年1月1日～1993年12月31日出生的儿童842人，调查乙肝疫苗接种率．结果5个城市均为100％,农村富裕地区为47.4o％,一般地区为39.3％,而贫困地区仅为18．1％．又以随机抽样的方法，在柳州等3个城市和5个地区，抽取1992年1月1日～1993年12月31日出生并全部接种了乙肝疫苗的儿童1459人，用固相放射免疫法检测执-HBs，用酶免疫法检测HBsAg和抗-HBc．结果1994年1～2岁儿童的HBsAg阳性率为1.7％,1986年的9.7％下降了82.5％。进一步提高农村地区，特别是贫困地区乙肝疫苗的接种率，是降低乙肝病毒携带和传播的关键。
In order to understand the vaccination rate and serological effects of hepatitis B vaccine in urban and rural areas, Guangxi Zhuang Autonomous Region is popularizing hepatitis B vaccine. From 1994 to 1995, it was conducted in five cities of Nanning and three types of rural areas according to the volume ratio Probability sampling method, drawn from January 1, 1991 ~ December 31, 1993 841 children born to investigate the hepatitis B vaccination rate. The results were 100% for each of the five cities, 47.4% for rural areas, 39.3% for general areas and only 18.1% for poor areas. A total of 1459 children born from January 1, 1992 to December 31, 1993, who were all vaccinated with hepatitis B vaccine, were sampled from 3 cities and 5 districts in Liuzhou by random sampling method. They were detected by solid phase radioimmunoassay Executive-HBs, HBsAg and anti-HBc were detected by enzyme immunoassay. Results The prevalence of HBsAg in children aged 1 ~ 2 years was 1.7% in 1994 and decreased by 82.5% in 9.7% in 1986. To further improve the vaccination rate of hepatitis B vaccine in rural areas, especially in poor areas, is the key to reduce the carrier and spread of hepatitis B virus.