The Lancefield Collection of Streptococcus Strains

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J137/69/3 

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Group: A   M-type: 31    

Hemolysis:     Sheep blood = beta 

 

Original Source: 

 

Clinical: 


Disease: Rheumatic fever,  Isolation site: See Comments 

 

Inventory: 

Stock typing strain.    Serum available: Rabbit 

 

Comments: Isolated from interior of tonsil.