急性病毒性肝炎(简称急性肝炎)基本上是自限性疾病,一般经过4～12周左右,大多数患者可获自然愈复,达到临床痊愈的标准。黄疸深的患者,恢复时间较长。患者在急性期后,血清出现保护性抗体,能维持相当长的时间,对同型的肝炎病毒感染有防护作用。然而,也有小部份急性肝炎患者演变为迁延性或慢性肝炎。急性肝炎演变为迁延性或慢性肝炎的发生串 Acute viral hepatitis (acute hepatitis) is basically a self-limiting disease, usually after 4 to 12 weeks, most patients will be more natural recovery, to achieve the clinical standard of recovery. Patients with deep jaundice, recovery time is longer. Patients in the acute phase, serum protective antibodies, can maintain a long time, the same type of hepatitis virus infection has protective effect. However, a small number of acute hepatitis patients also evolve into persistent or chronic hepatitis. Acute hepatitis evolves into a string of persistent or chronic hepatitis