This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Bacteriology, Subject name: Microbiology
Incubation period of gas gangrene is 
Select and explain. 
A. 1-3 days, B. 4-6 days, C. 7-10 days, D. 10-15 days
A: 1-3 days
Answer: A: 1-3 days 
Explanation: The incubation period of gas gangrene may be as sho as seven hours or as long as six weeks after the wound was created, the average being 10-48 hrs with C.perfringens. Clostridium septicum: 2-3 days Clostridium novyi: 5-6 days Reference: Textbook of Microbiology; Anathanarayan and paniker's; 10th edition; Page no: 262