Effective vaccination against porcine reproductive and respiratory syndrome (PRRS) virus prior to weaning
US11351244B2 · kind B2 · utility
1Cited by
38References
5Claims
0Family size
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Key dates
| Filing date | Mar 18, 2020 |
| Grant date | Jun 7, 2022 |
| Priority date | — |
| Expiry date | Mar 18, 2040 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC12N2770/10064
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The invention provides isolated polynucleotide molecules that comprise a DNA sequence encoding an infectious RNA sequence encoding a genetically-modified North American PRRS virus, methods to make it and related polypeptides, polynucleotides, and various components. Vaccines comprising the genetically modified virus and polynucleotides and a diagnostic kit to distinguish between naturally infected and vaccinated animals are also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.