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国内、外酶联免疫吸附试验(Enzyme-linked immunosorbent assay,ELISA)试剂生产厂家均未对其试剂设置灰区,而有没有必要设置灰区以及灰区范围如何设置,一直是实验室讨论的焦点。国内大量文献报道,灰区样本中存在一定数量的阳性结果,特别是在乙型肝炎和丙型肝炎项目上,而艾滋病病毒(Human immune deficiency virus,HIV)和苍白球密螺旋体(Treponema pallidum,TP)灰区样本的确证实
Domestic and foreign manufacturers of enzyme-linked immunosorbent assay (ELISA) reagents have not set the gray area of their reagents, and there is no need to set the gray area and how to set the gray area has been the focus of laboratory discussions . A large number of domestic literatures reported that there are a certain number of positive results in gray zone samples, especially in the hepatitis B and hepatitis C projects. However, HIV (HIV) and Treponema pallidum (TP Gray zone samples are indeed confirmed