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Intracellular interferon-γ analysis of CD8+ T cells after vaccination three times with virus-like replicon particles (VRP)-neu or VRP-hemagglutinin (HA)
| Vaccination | Isotype control (%) | Interferon-γ+/CD8+ (%) |
| VRP-neu | 0.10 | 2.80 |
| VRP-HA | 0.14 | 0.27 |
| Naïve | 0.03 | 0.39 |
