| detection of bk virus and simian virus 40 in the urine of healthy children. | seroprevalence studies indicate that most primary infections with bk virus (bkv) and jc virus (jcv) occur in the first and second decades of life, respectively. relatively little is known about the transmission of these agents, including the primary source of human exposure, the portal of entry, and the pathophysiology of life-long viral persistence. we sought to determine if simian virus 40 (sv40) excretion could be detected in the urine of healthy children and to define the age-related prevale ... | 2005 | 15648074 |