European vaccine strains of the porcine reproductive and respiratory syndrome virus
US5925359A · kind A · utility
110Cited by
4References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 9, 1997 |
| Grant date | Jul 20, 1999 |
| Priority date | — |
| Expiry date | Oct 9, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S424/815
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention is concerned with European strains of the Porcine Reproductive Respiratory Syndrome (PRRS) virus, having as a unique feature that they are non-infectious to macrophages, and to methods for the production of such strains. The invention also provides vaccines for the protection of pigs against PRRS, based on these strains, as well as methods for the production of such vaccines.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.