Table 1. House Sparrows (Passer domesticus) tissues persistently infected with West Nile virus (WNV) at necropsy.
| Bird # | Weeks post-infection | qRT-PCR Ct scores (WN1, WN2)* | Virus isolation |
| 89 | 3 | spln (31.2, 31.4), kid (32.8, 34.7) | |
| 90 | 3 | spln (27.1, 29.1), kid (30.2, 31.6) | |
| 92 | 3 | skin (33.3, UD), spln (24.9, 26.7), kid (26.6, 30.0) | spn, kid |
| 94 | 3 | skin (28.4, 32.7), spln (27.6, 32.9), kid (31.8, 33.8) | |
| 95 | 3 | spln (27.5, 28.7), kid (28.5, 30.5) | spln |
| 97 | 3 | spln (32.1, 34.3), kid (27.5, 30.3) | |
| 98 | 3 | spln (26.4, 28.0), kid (23.3, 25.1), brn (32.6, UD) | |
| 100 | 3 | skin (33.0, UD), spln (30.5, 32.2), kid (27.1, 29.7) | |
| 101 | 3 | spln (28.0, 30.6), kid (25.6, 27.1) | |
| 102 | 3 | spln (29.4, 31.8) | |
| 103 | 3 | spln (24.1, 25.1), kid (23.0, 25.3), brn (32.9, UD) | spln, kid |
| 104 | 3 | spln (28.4, 29.9), kid 28.0, 30.5), brn (30.8, UD) | |
| 105 | 3 | skin(24.4, 28.1), spln (26.6, 27.1), kid (26.3, 28.6) | |
| 504 | 5 | spln (33.5, UD) | |
| 510 | 5 | kid (34.8, UD) | |
| 533 | 5 | spln (29.5, 33.7), kid (35.0, UD) | |
| 553 | 5 | spln (28.9, 28.4), kid (24.7, 26.9) | |
| 564 | 5 | kid (34.1, UD) | |
| 565 | 5 | spln (28.6, 28.8), kid (34.9, UD) | spln |
| 508 | 7 | spln (23.7, 32.4) | |
| 518 | 7 | spln (26.3, UD) | spln |
| 522 | 7 | spln (21.3, 34.3), kid (28.0, 35.1) | spln |
| 527 | 7 | spln (28.8, UD) | |
| 554 | 7 | spln (28.9, UD) | |
| 503 | 9 | skin (35.8, UD) | |
| 520 | 9 | spln (27.4, 33.0), kid (24.9, UD) | |
| 524 | 9 | spln (32.8, UD) | |
| 526 | 9 | skin (33.4, UD) | |
| 548 | 9 | spln 26.5, 30.3) | |
| 61 | 12 | skin (39.7, UD) | |
| 75 | 12 | skin (25.9, 28.9), spln (33.0, 31.4) brn (32.5, 31.0) | spln |
| 76 | 12 | spln (36.8, UD) | |
| 78 | 12 | skin (36.9, UD) | |
| 65 | 18 | kid (27.4, 30.4) |
*
spln = spleen, kid = kidney, brn = brain; tissues with positive threshold cycle (Ct) scores (<40), analyzed with WN1 and WN2 primer/probe sets; UD = Ct was undetermined.