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What is Streptococcus is called as flesh eating bacteria due to its? and explain in detail?
Ans. is 'c' i.e., Pyrogenic exotoxin Streptococcal necrotising fascitis is caused by streptococcus pyogenes M types 1 and 3 strains forming pyrogenic exotoxin A.These strains have earned notoriety under the name "Flesh eating bacteria" and cause extensive necrosis of subcutaneous and muscular tissue and adjucent fascia which may be associated with severe systemic illness.