Surgery Pathogenesis b1592ee0 Commonest cause of cellulitis is A Staphylococcus B Streptococcus C E. coli D Hemophilus High-Yield Explanation Ans. (b) Streptococcus(Ref: Bailey 26th 55)* Most common cause of cellulitis is Streptococci. Other causes include Staphylococci, and C.Perfringens