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 Wang
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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