Live attenuated salmonella vaccines to control avian pathogens
US6399074B1 · kind B1 · utility
25Cited by
2References
30Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 24, 1998 |
| Grant date | Jun 4, 2002 |
| Priority date | — |
| Expiry date | Jul 24, 2018 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02A50/30
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A vaccine for protecting birds against infection by avian pathogenic gram negative microbes is disclosed. The vaccine is a recombinant Salmonella strain expressing O-antigen of an avian pathogenic gram negative microbe such as an E. coli strain that is pathogenic in poultry. The recombinant Salmonella strain also does not express Salmonella O-antigen. Methods of using the vaccine to immunize birds are also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.