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Volume 15, Number 8—August 2009

Research

Serologic Evidence of Frequent Human Infection with WU and KI Polyomaviruses

Nang L. Nguyen, Binh-Minh Le, and David WangComments to Author 
Author affiliations: Washington University in St. Louis, St. Louis, Missouri, USA

Main Article

Table

Age distribution of patients (419 samples) who were seropositive for WUPyV, KIPyV, or both, St. Louis, Missouri, USA, November 2007–October 2008*

Age group No. (%) seropositive
KIPyV VP1 WUPyV VP1 Both
<6 mo 13 (43.3) 25 (83.3) 13 (43.3)
6 mo–<1 y 7 (24.1) 13 (44.8) 7 (24.1)
1 y 12 (40) 18 (60) 10 (33.3)
2 y 13 (43.3) 18 (60) 10 (33.3)
3 y 15 (50) 17 (56.7) 10 (33.3)
4 y 22 (73.3) 20 (66.7) 16 (53.3)
5 y 28 (93.3) 26 (86.7) 24 (80)
6–8 y 26 (86.7) 27 (90) 24 (80)
9–12 y 30 (100) 27(90) 27 (90)
13–19 y 28 (93.3) 28 (93.3) 27 (90)
20–34 y 21 (70) 30 (100) 21(70)
35–49 y 22 (73.3) 29 (96.7) 22 (73.3)
50–64 y 19 (63.3) 24 (80) 19 (63.3)
65–79 y
22 (73.3)
28 (93.3)
22 (73.3)
Total 278 (66.3) 330 (78.7) 252 (60.1)

*WUPyV, WU polyomavirus; KIPyV, KI polyomavirus; WUPyV VP1, WUPyV viral protein 1; KIPyV VP1, KIPyV viral protein 1.

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