Mycobacterium strains in which the erp gene is modified, and vaccine compositions comprising such Mycobacterium strains are provided. The modification of the erp gene may decrease the virulence and the persistence of the Mycobacterium strains.

 
Web www.patentalert.com

> Powdery preparation for transmucosal administration containing a polymeric form of drug and exhibiting improved storage stability
~ 00317