<prompt> Patient having gastroenteritis after eating contaminated food.microscopy showed gram-positive bacillus with subterminal spore. The bacteria isClostridium per fringesStaphylococcusClostridium tetaniCorynebacterium  <response>: Clostridium-gram positive bacillus Food poisoning -clostridium perfringes Ref: Textbook of Microbiology Baveja 4th ed Pg 591 