This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pathology
All of the following are seen in legionnaire's disease except: September 2009 
Select and explain. 
A. Fever, B. Mental confusion, C. Diarrhoea, D. Unilateral pneumonitis
D: Unilateral pneumonitis
Answer: D: Unilateral pneumonitis 
Explanation: Ans. D: Unilateral pneumonitis