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
Erythrasma is caused by ? 
Select and explain. 
A. Comybacterium, B. Staphylococcus, C. Streptococcus, D. Herpes Virus
A: Comybacterium
Answer: A: Comybacterium 
Explanation: Ans. is 'a' i.e., Cornybacterium Erythrasma is a skin disease that causes brown, scaly skin patches. It is caused by the Gram-positivebacterium Corynebacteriumminutissimum. It is prevalent among diabetics and the obese, and in warm climates; it is worsened by wearing occlusive clothing.