乙型肝炎病毒感染的自然史很复杂.被乙型肝炎病毒感染的人群中只有10％发生急性有症状的肝炎.其他的人,也就是90％则出现无症状的肝炎;然而,后者的血清只查到HBsAg或乙型肝炎表面抗体,证实他们感染了乙型肝炎.被乙型肝炎病毒感染而发生有症状的肝炎患者中,1％属暴发性肝炎;暴发性肝炎的病 The natural history of hepatitis B virus infection is complicated by the fact that only 10% of those infected by the hepatitis B virus develop acute symptomatic hepatitis, while others, asymptomatic hepatitis, account for 90% of cases; however, the latter Serum only detected HBsAg or hepatitis B surface antibodies, confirmed that they were infected with hepatitis B. Symptoms of hepatitis B virus infection in patients with hepatitis 1% is fulminant hepatitis; fulminant hepatitis disease