美国血库在筛选献血员时,将检测非甲非乙型肝炎的征象.据专家介绍,每年发生输血相关肝炎病例15万例,采取此预防措施可使病例数降低三分之一.据美国国立卫生研究院(NIH)估计,5.4～27.1%的受血者发生输血相关肝炎,而其中90% According to experts, there are 150,000 cases of transfusion-related hepatitis each year, and this preventive measure can reduce the number of cases by one third, according to the U.S. National The National Institute of Health (NIH) estimates that transfusion-related hepatitis occurs in 5.4 to 27.1% of recipients and 90%