典型的甲型肝炎临床过程分四个阶段：潜伏期，前驱症状期，黄疸期，恢复期。

Clinical process divides typical armour hepatitis a phase: is preclinical, prodrome period, is icteric period, convalescence.

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一般来说，潜伏期或前驱症状持续时间越短，症状越严重，死亡率越高。

Generally speaking, the incubation period or the premonitory symptoms duration is shorter, the symptom is more serious, the mortality rate is higher.

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前驱链球菌感染被察觉后，从链球菌感染到肾炎症状出现，大概还有一个一至三周的潜伏期。

When the preceding streptococcic infection is recognized, a latent period of roughly 1 to 3 weeks ensues between its onset and the appearance of symptoms of nephritis.

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