at four weeks you can expect that the HIV test would detect between 85 and 90% of HIV infections that had occurred 4 weeks earlier. At 6 weeks the figure goes up to 95%, at 8 weeks tests are 98-99% accurate and at 12 weeks results are entirely conclusive这是MEDHELP上专家关于窗口期的说法,最后一句话说12周是最终定论!询问的人是一个发生无套性jiao的女性,这是原文地址,不想信自己看http://www.medhelp.org/posts/HIV ... of-test/show/666793