Social & Preventive Medicine Generation time in epidemiology is defined as – A The interval between marriage and the birth of first child B The interval of time between the receipt of infection by host and maximal infectivity of the host C The interval of time between primary case and secondary cases D Interval of time between invasion by infectious agent and appearance of first sign or symptom of the disease in question 💡 Explanation Generation time in epidemiology is defined as - ✓ Correct Answer: B. The interval of time between the receipt of infection by host and maximal infectivity of the host