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作者在意大利北部的两所医院,用放射免疫分析法检测6111名孕妇,结果164例(2.6%)HBsAg阳性,其中9例(5.4%)为HBeAg,149例(90.8%)为抗-HBe,6例(3.6%)HBe及抗-HBe均为阴性。在检查73例HBsAg阳性的产妇及其74例婴儿(2名系双胎)中,发现前者5例(6.8%)HBeAg阳性,64例(87.7%)抗-HBe阳性及4例(5.5%)HBeAg及抗-HBe阴性;后者在2～3月龄时12例发生HBs抗原血症,其抗原亚型与其生母一致(9例ay,3例ad),HBeAg阳性产妇所生的5名婴儿全部感染,抗-HBe阳性的产妇所生婴儿6例(9%)感染,
Of the 6111 pregnant women tested by radioimmunoassay in two hospitals in northern Italy, 164 (2.6%) were HBsAg-positive, of whom 9 (5.4%) were HBeAg and 149 (90.8%) were anti-HBe, Six cases (3.6%) of HBe and anti-HBe were negative. Of the 73 HBsAg-positive mothers and their 74 infants (2 twins) examined, 5 (6.8%) were positive for HBeAg, 64 (87.7%) were positive for anti-HBe and 4 (5.5% HBeAg and anti-HBe negative; the latter in 2 to 3 months of age 12 cases of HBs antigenemia, the antigen subtype and its mother consistent (9 cases of ay, 3 cases of ad), HBeAg-positive mothers born five infants All infected, anti-HBe-positive mothers gave birth to 6 infants (9%),