Mutant porcine reproductive and respiratory syndrome virus
US7879337B2 · kind B2 · utility
1Cited by
1References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 2, 2005 |
| Grant date | Feb 1, 2011 |
| Priority date | — |
| Expiry date | May 30, 2026 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC12N2770/10061
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention provides a genetically modified PRRS virus which has been modified such that the conserved cysteine in the E protein has been deleted or changed to a non-cysteine residue and polynucleotides that encode it. Vaccines comprising the genetically modified virus and polynucleotides are also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.