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HBsAg在热带地区较温带地区分布更为广泛。HBV这个指标的高度普遍性,通常归咎于不良的卫生条件和其它如气候、环境等因素。近几年,到南海一些地理上孤立的岛屿进行了调查。结果表明,在这些地区,HBV和HAV感染几乎没有例外地相当普遍。但是,作者注意到塞舌尔(群岛)却没有这种通常的情况。塞舌尔(群岛)位于南纬4°～10°,东经46°～56°,属热带性气侯。作者等于该地出身的人群中收集了417份血清标本,,其中男180名,女237名。年龄为12～85岁。他们分别采用酶联免疫吸附试验(ELISA)检测HBsAg和抗-HBs;采用放射免疫法(RIA)检测抗-HBc、抗-HBe和抗-HAV。
HBsAg is more widespread in the temperate regions of the tropics. The high prevalence of this indicator of HBV is often attributed to poor sanitation and other factors such as climate and the environment. In recent years, investigations have been conducted on some of the geographically isolated islands in the South China Sea. The results show that HBV and HAV infections are almost invariably common in these areas. However, the authors note that the Seychelles (Archipelago) do not have this common situation. Seychelles (Archipelago) is located in the latitude 4 ° ~ 10 °, longitude 46 ° ~ 56 °, is a tropical climate. The authors collected 417 serum samples from populations of origin, including 180 males and 237 females. Aged 12 to 85 years old. They detected HBsAg and anti-HBs by enzyme-linked immunosorbent assay (ELISA) and anti-HBc, anti-HBe and anti-HAV by radioimmunoassay (RIA).