根据最近疾病控制中心的报告,蓝氏贾第虫是美国最常见的致病性肠道寄生虫。在本系列的670例中,多数患者是从国外回来的居民,其中199例(30%)是儿童。目前正对此病引起极大的兴趣,不再象多年来认为它是无害的感染了。 According to a recent report by Centers for Disease Control and Prevention, Giardia lamblia is the most common pathogenic intestinal parasite in the United States. Of the 670 cases in this series, the majority of patients were residents who returned from abroad, of whom 199 (30%) were children. The disease is currently aroused great interest, no longer as the infection over the years that it is harmless.