This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: miscellaneous, Subject name: Microbiology
[{'content': 'Kallu, a 22-year-old male had an outing with his friends and developed a fever of 38.50C, diarrhoea and vomiting following eating chicken salad, 24 hours back. Two of his friends developed the same symptoms. The diagnosis is \nSelect and explain. \nA. Salmonella enteritis, B. Bacillus cereus, C. Staphylococcus aureus, D. Vibrio cholerae', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Salmonella gastroenteritis or food poisoning is generally a zoonotic disease, the source of infections being animal products. It may be caused by any Salmonella called non-typical salmonella. Human infections result from the ingestion of contaminated food. The most frequent source of salmonella poisoning is poultry, meat, milk and milk products. Clinically, the disease develops after a sho incubation period of 24 hours or less, with diarrhoea, vomiting, abdominal pain and fever. Ref: Ananthanarayan and Paniker&;s Textbook of Microbiology, 9th edition; pg no: 300', 'role': 'assistant'}]