12 Clinical features of acute viral hepatitis: Acute viral hepatitis can be divided into four phases: (1)incubation period: non-symptoms (2) symptomatic pre-icteric phase, non-specific, constitutional symptoms: marked (malaise, nausea, weight loss, loss of appetite and so on) (3)symptomatic icteric phase: Jaundice appears, constitutional symptoms begin to abate. jaundice: serum levels of bilirubin >2.0mg/dl(normal: 1.2mg/dL) (4)convalescence: after a few weeks or several months ---- In some cases, circulating immune-complex is formed, vasculitis AND arthritisClinical features of acute viral hepatitis: In some cases, circulating immune-complex is formed, vasculitis AND arthritis Acute viral hepatitis can be divided into four phases: (1) incubation period：non-symptoms (2) symptomatic pre-icteric phase, ◆non-specific, constitutional symptoms: marked (malaise, nausea, weight loss, loss of appetite and so on) (3) symptomatic icteric phase: Jaundice appears, constitutional symptoms begin to abate. ** jaundice: serum levels of bilirubin >2.0mg/dL(normal:<1.2mg/dL) (4) convalescence: after a few weeks or several months---- 12