This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Epidemiology, Subject name: Social & Preventive Medicine
Time between infection and maximum infectivity is known as? 
Select and explain. 
A. Incubation period, B. Serial interval, C. Generation time, D. Communicable period
C: Generation time
Answer: C: Generation time 
Explanation: the interval of time between receipt of infection by a host and maximal infectivity of that host is defined as GENERATION TIME.generally it roughly equals incubation period,but not same.generation time refers to transmission of infection whether clinical orsubclinical.ref :park's textbook of preventive and social medicine,22 nd edition,pg no 96.