has role virmugen virmugen role Francisella tularensis gene capB from Francisella tularensis gene Oliver He There was a deletion in gene capB of F. tularensis live vaccine strain. LVS capB, while much less virulent than LVS, induces potent protective immunity against lethal LVS i.n. challenge in mice, comparable to that induced by LVS Rebecca Racz NCBI_Gene_ID: 3952402; PMID: 20643859