Which of the following is a mechanism by which new susceptible individuals enter a population?

Question

Quizplus · Accepted Answer

Both birth of new individuals and migration of individuals into a population are mechanisms through which new susceptible individuals may enter a population. Birth of new individuals introduces individuals who have no prior exposure to the pathogen, while migration of individuals from another population may introduce individuals who have not been exposed to the pathogen in the new population, making them susceptible to infection. Immunization, on the other hand, does not introduce new susceptible individuals but rather enhances the immunity of existing individuals in the population.

Which of the Following Is a Mechanism by Which New