Table 4.
RNA infectivity in suckling mice of FMDV 3A mutants
| RNA | RNA dose (ng) | No. of dead mice/total no. of mice |
|---|---|---|
| pMT28 | 102 | 4/5 |
| 103 | 5/5 | |
| pMT28L38E | 105 | 0/5 |
| pMT28L41E | 105 | 0/5 |
| pMT28Q44D | 105 | 0/4 |
| pMT28Q44R | 102 | 3/4 |
| 103 | 4/4 |
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