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东京供血者中丙型肝炎病毒抗体(抗-HCV)的阳性率低于1.2％,可是乙型肝炎表面抗原(HBsAg)阴性的慢性肝炎患者中有76％HCV血清学阳性,并且一半HCV阳性者有输血史。作者在对日本中部静冈县的一个偏僻乡镇进行的集体调查中发现一个慢性肝病传播性很高的疫源地。当地218名30岁以上的居民中24％有肝炎及肝硬变等慢性肝病,而且21％无症状者的实验室检测也提示有慢性肝病。该镇中无乙型肝炎病毒感染的流行,居民中HBsAg携带率低于1％,该镇无肝炎流行史,也无针灸及纹身导致HCV血源性感染等危险因素的习俗。
The positive rate of hepatitis C virus antibodies (anti-HCV) in Tokyo blood donors was less than 1.2%, but 76% of patients with chronic hepatitis B who were negative for hepatitis B surface antigen (HBsAg) were serologically serologically positive and half of HCV-positive A history of blood transfusions. In a collective survey of a remote township in Shizuoka Prefecture in central Japan, the author found a high-foci of chronic liver disease. Twenty-four percent of 218 residents over the age of 30 have chronic liver diseases such as hepatitis and cirrhosis, and 21% of asymptomatic laboratory tests also indicate chronic liver disease. The prevalence of hepatitis B virus infection in the town, residents carrying HBsAg rate of less than 1%, the town has no history of hepatitis epidemic, nor the risk of acupuncture and tattoo leading to HCV blood-borne infections and other customs.