Figure 1From: Detection of human herpesviruses in the cerebrospinal fluid from patients diagnosed with or suspected of having progressive multifocal leukoencephalopathy Viral loads of herpesvirus DNAs in the CSF specimens from patients. The CSF viral loads of HSV-1, VZV, CMV, and EBV are shown (left to right). Each open circle indicates the copy number of viral DNA in each sample, and the horizontal lines represent the medians.Back to article page