Table 1.
Characteristics of Serum Donors
| Prime | Boost | F / M | Age* | Days between doses† |
|---|---|---|---|---|
| BNT162b2 | None | 4 / 2 | 44 | 24 |
| mRNA-1273 | None | 2 / 4 | 52 | 29 |
| Ad26.COV2.S | None | 1 / 5 | 37 | NA |
| NVX-CoV2373 | None | 1 / 4 | 46 | 28 |
| BNT162b2 | BNT152b2 | 3 / 2 | 35 | 218 |
| BNT162b2 | mRNA-1273 | 2 / 0 | 47 | 173 |
| mRNA-1273 | mRNA-1273 | 3 / 2 | 51 | 121 |
| NVX-CoV2373 | NVX-CoV2373 | 4 / 1 | 40 | 99 |
| NVX-CoV2373 | BNT162.b2 | 1 / 1 | 47 | 123 |
| Ad26.COV2.S | BNT162.b2 | 0 / 1 | 43 | 247 |
| Ad26.COV2.S | mRNA-1273 | 0 / 1 | 36 | 146 |
F=female, M=male,
average age at time of donation,
average number of days between final dose and penultimate dose of vaccine, NA = not applicable, single vaccination.