This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Surgery
Skin grafting is absolutely C/I in which skin infection- 
Select and explain. 
A. Staphylococus, B. Pseudomonas, C. Streptococus, D. Proteus
C: Streptococus
Answer: C: Streptococus 
Explanation: "The skin graft generally survives when placed over the wounds containing less than 105 organisms per gram of tissue unless the organisms are streptococci, which can rapidly dissolve transplanted skin." - S. Das 3/e, p 142