Urine is the best specimen for the diagnosis of congenital cytomegalovirus, but collection and processing of liquid urine are impractical for screening. Urine dried on filter paper was processed by the same convenient, low-cost method used by newborn screening to test blood spots and showed high sensitivity and specificity.

中文翻译：

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滤纸干燥尿液中巨细胞病毒的检测。

尿液是诊断先天性巨细胞病毒的最佳标本，但收集和处理液体尿液进行筛查是不切实际的。在滤纸上干燥的尿液采用与新生儿筛查相同的方便、低成本的方法处理血斑，并显示出高灵敏度和特异性。