Medical Definition of Johne's bacillus
: a bacillus of the genus Mycobacterium (M. paratuberculosis) that causes Johne's disease
Biographical Note for johne's bacillus
Johne \ˈyō-nə\play ,
Heinrich Albert (1839–1910), German bacteriologist. Johne developed a method for staining bacterial capsules in 1894. He discovered Johne's bacillus in 1895.
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