This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Bacteria, Subject name: Microbiology
Flesh eating bacteria is: 
Select and explain. 
A. Strep pneumoniae, B. Strep pyogenes, C. Strep agalactiae, D. Streoviridans
B: Strep pyogenes
Answer: B: Strep pyogenes 
Explanation: Ans. B. Strep pyogenesStrep pyogenes is caused flesh eating bacteria as it causes rapidly spreading necrotizing fasciitis due to Strep pyogenes erythrogenic or pyrogenic toxin