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Passive-challenge experiment of mice with tetanus toxin.
| ID | Maximum dilution factor of sera for neutralizing toxin |
|
|---|---|---|
| Day 0 | Day 60 | |
| 06 | 400 | 800< |
| 07 | 100 | 800< |
| 09 | 100 | 200 |
| 20 | 25 | 200 |
| 22 | 50 | 200 |
800<; survival of mice injected with the mixture of serum (dilution factor; 800) and tetanus toxin.
