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本文报导用乙型肝炎(HB)疫苗预防塞内加尔高流行区儿童早期感染试验结果。在塞内加尔,17%的2岁儿童 HBsAg 阳性,80%的6～7岁儿童至少有一项表明过去或现在乙型肝炎病毒(HBV)感染的血清标志。
This article reports the results of a pilot study on early childhood infection in children with high prevalence in Senegal using hepatitis B vaccine. In Senegal, 17% of 2-year-olds are HBsAg-positive and 80% of children aged 6 to 7 have at least one serum marker indicating past or present-day hepatitis B virus (HBV) infection.