According to an S-I-R model, if a pathogen can kill its host

Question

Quizplus · Accepted Answer

In an S-I-R model, the pathogen should increase in abundance until the hosts begin to die because the infected individuals will transfer the pathogen to other susceptible individuals until the hosts start to die. This will cause a decrease in the proportion of susceptible individuals and an increase in the proportion of resistant individuals, eventually leading to the pathogen no longer being able to spread easily.

According to an S-I-R Model, If a Pathogen Can Kill