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Titer of antibodies in the serum of immunized mice
| Day 11 | Day 14 | Day 21 | Day 28 | |
|---|---|---|---|---|
| Number of mice | 8 | 8 | 8 | 8 |
| Minimum titer | 40 | 100 | 3200 | 1600 |
| Maximum titer | 640 | 3200 | 25600 | 51200 |
| Median titer | 320 | 1600 | 9600 | 12800 |
Serum titer was defined as the reciprocal of the highest dilution giving an absorbance reading 0.1 unit greater than the control using ELISA.
