SPM – MCQ 115 – Proxy measures for incubation period

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

Correct answer : B. Period of communicability

Period of communicability is the time period during which the person can transfer the infection to another person. It has no relation to the incubation period.

Latent period – Time period between disease onset and detection
Serial interval – Time period between onset of primary case and secondary case
Generation time – Time period between receipt of infection and maximal infectivity in a host