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: Skin
Impetigo contageosa most commonly due to : 
Select and explain. 
A. Group B Streptococcous, B. Staphylococcus, C. Moniliasis, D. Streptococcus Viridans
B: Staphylococcus
Answer: B: Staphylococcus 
Explanation: B i.e. Staphylococcus