Viral agent associated with mystery swine disease
US5989563A · kind A · utility
36Cited by
2References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 15, 1996 |
| Grant date | Nov 23, 1999 |
| Priority date | — |
| Expiry date | Aug 15, 2016 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S424/815
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A substantially avirulent vaccine against Porcine Reproductive and Respiratory Syndrome (PRRS) is provided, which effectively immunizes swine against the U.S. and European forms of the disease, together with a method of growing the viral agent in vitro, and a method of attenuating the virus for vaccine preparation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.