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为弄清在与乙型肝炎病毒无关的输血后肝炎的病因中的位置,作者采取32个病人的输血前和恢复期血清样本用定量的免疫粘附血凝反应测定和滴定其对甲型肝炎抗原的抗体(抗—HA),12个病人的输血前或恢复期后期均没有检出抗—HA,其余20个病人的输血前血清有抗-HA,而在恢复期其滴度没有显著变化,这次研究排除了把甲型肝炎病毒(HAV)作为导致这些输血后病例的病毒并支持了有“非甲、非乙”型肝炎病毒的存在。
To ascertain the location of the etiological agent of posthepatitic hepatitis in a non-Hepatitis B virus -based transfusion, the authors took pre-transfusion and convalescent serum samples from 32 patients with a quantitative immunoadhesive hemagglutination assay and titration against Hepatitis A Anti-HA (anti-HA) was not detected in all 12 patients before and during the recovery period, and anti-HA was not found in the other 20 patients before transfusions, and did not change significantly during recovery , This study excluded the use of Hepatitis A virus (HAV) as a virus that causes these post-transfusion cases and supports the existence of “non-A, non-B” hepatitis viruses.