Prevalence and Pathogenicity of WU and KI Polyomaviruses in Children, the Netherlands
Marieke M. van der Zalm , John W. A. Rossen, Bart E. van Ewijk, Berry Wilbrink, Petra C.H.M. van Esch, Tom F.W. Wolfs, and Cornelis K. van der Ent
Author affiliations: Wilhelmina Children’s Hospital at University Medical Center Utrecht, Utrecht, the Netherlands (M.M. van der Zalm, B.E. van Ewijk, T.F.W. Wolfs, C.K. van der Ent); St. Elisabeth Hospital, Tilburg, the Netherlands (J.W.A. Rossen, P.C.H.M. van Esch); National Institute of Public Health and the Environment, Bilthoven, the Netherlands (B. Wilbrink);
Figure 1. Flow chart of the respiratory samples taken in the study. Samples were collected during November 2004–April 2005, throughout the Netherlands. Samples were taken during symptomatic and asymptomatic episodes. Results show WU polyomavirus (WUPyV )and KI polyomavirus (KIPyV) detections in samples simultaneously negative for other respiratory pathogens and in samples in which >1 other respiratory pathogen(s) were detected.
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