<prompt> Incubation period of gas gangrene is1-3 days4-6 days7-10 days10-15 days  <response>: 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 panikers; 10th edition; Page no: 262 