| PATENT ASSIGNEE'S COUNTRY | USA |
| UPDATE | 03.99 |
| PATENT ASSIGNEE | This data is not available for free |
| PATENT CLAIMS | Mutant strain of Serpulina hyodysenteriae (I) capable of eliciting a protective immune response against wild-type virulent strain of (I) which mutant strain is less virulent than wild-type, wherein the expression of hemolysin encoded by the chromosomal tly gene is abolished through deletion of the entire tly gene |
| PATENT PHOTOCOPY | Available on request |
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