对甲型、急性乙型病毒性肝炎及甲、乙型肝炎病毒混合感染(下称混合感染)进行了配对比较发现:①混合感染起病最徐缓,黄疸程度最深,且持续时间最长,临床表现有比其他两型更重的倾向。②混合感染可能有短暂的病毒干扰现象。③混合感染可能在病毒性肝炎慢性化的发生中有重要意义。 A, hepatitis B and hepatitis A, hepatitis B virus mixed infection (hereinafter referred to as mixed infection) were compared and found: ① mixed infection most slowly onset, the deepest jaundice, and the longest duration, clinical There is a tendency to be heavier than the other two types. ② mixed infection may have a short period of virus interference. ③ mixed infection may be of chronic viral hepatitis in the occurrence of great significance.