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The effect of pregnancy on BK (BKPyV) and/or JC (JCPyV) polyomavirus seropositivity assessed by comparing the seropositivity of 277 women at their 3rd trimester pregnancy (baseline) with their seropositivity one year later (12- month visit).
| Seropositivity (MFI > 400) | Baseline n (%) | 12-month visit N (%) |
|---|---|---|
| BKPyV + JCPyV + | 157 (56.7) | 163 (58.8) |
| BKPyV + JCPyV− | 106 (38.2) | 103 (37.2) |
| BKPyV− JCPyV + | 6 (2.2) | 4 (1.4) |
| BKPyV− JCPyV− | 8 (2.9) | 7 (2.5) |
| Total | 277 (100.0) | 277 (100.0) |
