Group | Schedule of challenged date | |||
---|---|---|---|---|
1 week | 2 weeks | 3 weeks | 4 weeks | |
Control (n=8) | Serum collection | Serum collection | Serum collection | Serum collection |
Group 1 (n=8) | Challenged | Serum collection | Serum collection | Serum collection |
Group 2 (n=8) | - | Challenged | Serum collection | Serum collection |
Group 3 (n=8) | - | - | Challenged | Serum collection |