人类嗜Ｔ淋巴细胞白血病病毒Ⅰ型 (ＨＴＬＶ Ⅰ )是一种感染人类Ｔ淋巴细胞的逆转录病毒 ,可经血传播。近年的流行病学调查结果表明 ,我国福建沿海莆田的部分地带有较高的ＨＴＬＶ Ⅰ流行率[1] 。由于ＨＴＬＶ Ⅰ与ＨＢＶ具有相似的血传播途径 ,而目前被调查对象大多是ＨＣＶ、 Human T-lymphotrophic virus type I (HTLV I) is a retrovirus that infects human T lymphocytes and is transmissible by blood. The results of epidemiological investigation in recent years show that there is a high prevalence of HTLV Ⅰ in parts of Putian, Fujian Province, China [1]. HTLV Ⅰ and HBV have a similar route of blood transmission, but most of the current surveyed subjects are HCV,