Mycobacterium duvalii is a species of the phylum Actinomycetota (Gram-positive bacteria with high guanine and cytosine content, one of the dominant phyla of all bacteria), belonging to the genus Mycobacterium.

Gram-positive, nonmotile and pleomorphic acid-fast rods.

First isolated from cases of human leprosy by C. W. Duval.

Strain ATCC 43910 = CCUG 41352 = CIP 104539 = DSM 44244 = JCM 6396 = NCTC 358.

This Mycobacterium article is a stub.