The incorrect pair of food borne illness and its causative microorganism is:

Correct option is B

Peptic ulcers are primarily caused by Helicobacter pylori , not Bacillus subtilis . All other pairs are correct:
· Brucellosis – Brucella abortus
· Salmonellosis – Salmonella typhimurium
· Q fever – Coxiella burnetii