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
All of the following are used as proxy measures for incubation period, except: 
Select and explain. 
A. Latent period, B. Period of communicability, C. Serial interval, D. Generation time
B: Period of communicability
Answer: B: Period of communicability 
Explanation: Period of communicability