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: Microbiology
Virulence factor of cryptococcus includes all, except: 
Select and explain. 
A. Polysaccharide capsule, B. Production of protease, C. Ability to make melanin, D. Urease production
D: Urease production
Answer: D: Urease production 
Explanation: Ans. d. Urease production