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: Social & Preventive Medicine
Host related biological propeies of a disease agent are the following except - 
Select and explain. 
A. Virulence, B. Infectivity, C. Pathogenicity, D. Communicability
D: Communicability
Answer: D: Communicability 
Explanation: Ans. is 'd' i.e., Communicability The disease agents exhibit ceain host-related biological propeies such as infectivity, virulence, and pathogenicity.