This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Communicable diseases, Subject name: Social & Preventive Medicine
[{'content': 'Which one of the following diseases has the shoest incubation period - \nSelect and explain. \nA. Salmonella food poisoning, B. Staphylococcus food poisoning, C. Cholera, D. Diphtheria', 'role': 'user'}, {'content': 'Answer: B \nExplanation: <p> IP of staphylococcal food poisoning is 1-8 hours. Reference:Park&;s textbook of preventive and social medicine,K.Park,23rd edition,page no:238. <\\p>', 'role': 'assistant'}]