MRSA-Staphylococcal Cassette Chromosome Mec

Mumps virus

Mycobacterium avium

Mycobacterium fortuitum

Mycobacterium leprae & M.lepromatosis

Mycobacterium marinum and ulcerans

Mycobacterium species

Mycobacterium Tuberculosis

Mycobacterium tuberculosis complex

Mycoplasma arginini

Mycoplasma fermentans

Mycoplasma genitalium