[问]何谓“澳抗”?有何临床意义?[答]“澳抗”是1963年美国肿瘤研究所首先在1名多次输血的血友病病人血清中发现的一种新抗原。由于这种抗原是从澳大利亚病人血清中获得,故称为“澳大利亚抗原”。以后相继在麻疯,白血病等病人血清中也找到了这种抗原。1968年发现这种抗原与输血后肝炎有密切关系,而称之为“血清肝炎抗原”。1969年证明所有长潜伏期的血清性肝炎病人。澳抗几乎都是阳性,而短潜伏期血清性肝炎 What is the clinical significance? [A] “Macao anti” is the United States Cancer Institute in 1963, first in a blood transfusion hemophilia patient serum found in a new antigen . Because this antigen is obtained from the serum of Australian patients, it is called “Australian Antigen”. After one after another in leprosy, leukemia and other patient serum also found this antigen. In 1968, it was found that this antigen is closely related to post-transfusion hepatitis and is called “serum hepatitis antigen”. 1969 Proof of all long-latency patients with seronegative hepatitis. Australian anti-Almost all positive, and short-latency serum hepatitis