Table 2.
Geometric Mean Titers With 95% Confidence Intervals Before Vaccination (Pre) and 28 Days After Vaccination (Post) With Flublok, Flucelvax, Fluzone, or Fluzone High-Dose
| Flublok | Flucelvax | Fluzone | Fluzone High-Dose | |
|---|---|---|---|---|
| 3c2.A | ||||
| Pre | 27 (17–44) | 26 (16–41) | 20 (14–28) | 24 (16–36) |
| Post | 146 (95–224) | 47 (29–76) | 33 (20–55) | 129 (57–290) |
| 3c2.A2 | ||||
| Pre | 25 (16–39) | 23 (16–34) | 17 (13–23) | 23 (15–35) |
| Post | 117 (76–179) | 42 (27–68) | 27 (18–40) | 108 (49–242) |
| Enzyme-linked immunosorbent assay | ||||
| Pre | 10 (7–15) | 9 (5–14) | 8 (6–11) | 8 (5–12) |
| Post | 37 (27–51) | 17 (12–26) | 13 (9–18) | 24 (10–56) |
| 3c2.A/egg | ||||
| Pre | 345 (182–654) | 311 (176–549) | 233 (139–391) | 327 (165–647) |
| Post | 1401 (876–2242) | 630 (411–967) | 612 (366–1023) | 2297 (1230–4289) |
| 3c2.A/cell | ||||
| Pre | 34 (22––53) | 35 (21–59) | 22 (14–34) | 31 (19–51) |
| Post | 167 (115–243) | 71 (44–114) | 39 (23–65) | 164 (81–329) |
| H1N1 | ||||
| Pre | 60 (35–103) | 39 (23–64) | 40 (23–68) | 37 (18–76) |
| Post | 186 (107–323) | 138 (75–251) | 90 (51–159) | 217 (97–484) |