Which bacterium primarily causes erysipelas?

Staphylococcus aureus
Group A beta-hemolytic Streptococcus (S. pyogenes)
Streptococcus pneumoniae
Pseudomonas aeruginosa

Show answer and explanation

Correct answer: B. Group A beta-hemolytic Streptococcus (S. pyogenes)

Erysipelas is a superficial skin/upper dermis infection caused primarily by Group A beta-hemolytic Streptococcus pyogenes. Well-demarcated, raised, bright-red painful plaque with systemic symptoms.

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