Experimental group | Vaccination | H1N1 challenge | ||
---|---|---|---|---|
 | Recombinant virus vaccine | Adjuvant | H1N1 |  |
Group 1 (rLH5-H1N1) | + | - | - | + |
Group 2 (rLH5 + IL-2-H1N1) | + | + | - | + |
Group 3 (H1N1-H1N1) | - | - | + | + |
Group 4 (PBS-H1N1) | - | - | - | + |
Group 5 (IL-2-H1N1) | - | + | - | + |
Group 6 | - | - | - | - |