The Lancefield Collection of Streptococcus Strains
M Typing Reference Strains
Strain Directory: M type 1 to 67
Group A:
Type 40 Strains:
M40 Typing Reference Strain: C143/25/8
C143 C143/19/3 C143/25/4 C143/80/1 C165 C270 D733 (by double diffusion)