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1974～1983年对华东七省市一些地区106个县共17571人作HBsAg 检测,HBsAg 阳性2313人,阳性率为13.2%。对可供分型的HBsAg 阳性标本2028份(例)进行分型研究,结果adr 型1472例(72.6%),adw 型556例(27.4%)。未发现y 决定簇。对浙江和江西省的116例adw 型作a 决定簇检测结果在浙江省黄岩县发现我国首例adw_4(原称a_3dw 型,其q 决定簇亦为阳性,随后在同一家庭共检出4例adw_4型,其余115例均为adw_2(原称a2′dw)型。
From 1974 to 1983, 17571 people from 106 counties in some areas of East China, seven provinces and cities were tested for HBsAg, with 2313 HBsAg positive and the positive rate was 13.2%. A total of 2028 HBsAg positive specimens were screened for typing. The results showed that there were 1472 cases (72.6%) of adr type and 556 cases (27.4%) of adw type. No y-determinant found. The results of a determinant test on 116 adw-type strains in Zhejiang and Jiangxi Provinces showed that the first case of adw_4 (formerly a_3dw-type) was found in Huangyan County, Zhejiang Province. The q determinant was also positive, followed by 4 cases of adw_4 Type, the remaining 115 cases were adw_2 (formerly a2’dw) type.