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当母亲是HBsAg携带者或者在妊娠晚期患急性乙型肝炎时,常可通过垂直传播将乙型肝炎病毒(HBV)传给其子女。这种母——婴间HBV的垂直传播在亚洲一些地区尤为常见。目前尚没有公认的有效办法防止这一传播。有报告认为在婴儿出生后给予高滴度抗-HBs免疫球蛋白(HBIG)可防止婴儿遭到
Hepatitis B virus (HBV) can often be transmitted to children by vertical transmission when the mother is an HBsAg carrier or acute hepatitis B in the third trimester of pregnancy. The vertical transmission of this mother-infant HBV is especially common in some parts of Asia. There is no universally accepted and effective way to prevent this spread. It has been reported that high titers of anti-HBs immunoglobulin (HBIG) administered to infants after birth prevent the infant from being exposed