Live vaccine constituting minor risk for humans

US6479056B1 · kind B1 · utility

Assignee

• Lohmann Animal Health GmbH & Co. KG · DE

Inventors

• Klaus Linde · Grafenau, DE
• Jörg Beer · Allersberg, DE
• Bärbel Pless · Leipzig, DE

Key dates

• Filing date: Oct 11, 2000
• Grant date: Nov 12, 2002
• Expiry date: Oct 11, 2020

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S424/816
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

A salmonella live vaccine produced from at least one attenuated immunologic live vaccine strain, characterized in that the vaccine strain has an envelope marker which results in an increased sensitivity of the vaccine strain toward a specific therapeutically effective antibiotic and has at least one chromosomal antibiotic resistance mutation for the attenuation.