TABLE 1.
Antibody titers after each vaccine
| Age, y | Sex | Organ(s) | Time since transplant, y | Antimetabolite | Initial vaccine series | Post-D2 titer | D3 | Post-D3 titer | Post-D3 titer | D4 | Post-D4 titer | Post-D4 titer |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 44 | F | Kidney | 4 | Yes | Moderna | Negative | Pfizer | Negative | 0.22 E | Pfizer | Negative | 0.92 E |
| 65 | F | Kidney | 0.5 | Yes | Moderna | Negative | Moderna | Negative | 0.06 E | Moderna | Negative | 0.06 E |
| 44 | M | Kidney | 3 | Yes | Pfizer | Negative | Pfizer | Negative | 0.09 E | J&J | Negative | 0.4 R |
| 63 | M | Liver | 11 | Yes | Pfizer | Negative | J&J | Negative | 0.46 R | Pfizer | High | 54.9 R |
| 57 | M | Kidney | 15 | Yes | J&J | Negative | Moderna | Negative | 0.97 E | Moderna | High | 286.9 R |
| 53 | M | Kidney | 21 | Yes | Pfizer | Negative | Pfizer | Negative | (self-report) | J&J | High | 343 R |
| 61 | F | Kidney | 8 | Yes | Pfizer | Negative | Moderna | Low | 2.75 R | Moderna | High | >2500 R |
| 49 | F | Kidney | 1 | Yes | Moderna | Negative | Pfizer | Low | 7.3 R | Pfizer | High | 82.9 R |
| 52 | F | Kidney-Pancreas | 20 | Yes | Moderna | Negative | Pfizer | High | 504.4 R | Pfizer | High | 845 R |
| 54 | M | Liver | 1 | Yes | Pfizer | Low | Moderna | High | 125.7 R | Moderna | High | >2500 R |
| 69 | M | Heart | 16 | Yes | Pfizer | Negative | Moderna | High | 8.37 E | Moderna | High | >2500 R |
| 68 | M | Heart | 2 | Yes | Pfizer | Negative | Moderna | High | >250 R | Moderna | High | 402.9 R |
| 43 | F | Pancreas | 1 | Yes | Pfizer | Negative | Moderna | High | 4.72 E | Moderna | High | 5.27 E |
| 58 | M | Kidney | 3 | Yes | Moderna | Low | Moderna | High | 6.93 E | Moderna | High | 4.16 E |
| 42 | F | Liver | 5 | No | Moderna | Negative | Pfizer | High | 11.39 E | Pfizer | High | 8.75 E |
| 73 | F | Kidney-Liver | 18 | Yes | Pfizer | Low | Moderna | High | 4.45 E | Moderna | High | 1691 R |
| 67 | F | Kidney | 11 | Yes | Moderna | Low | Pfizer | High | 9.19 E | Pfizer | High | >2500 R |
| 64 | M | Liver | 21 | No | Moderna | Low | Pfizer | High | 7.21 E | Pfizer | High | >2500 R |
D, dose; E, EUROIMMUN assay (parameters: low-positive, ≥1.1 and <4; high-positive, ≥4 AU); F, female; J&J, Johnson & Johnson; M, male; R, Roche assay (parameters: low-positive, ≥0.8 and <50; high-positive, ≥50 U/mL).