Which characterizes the rate of infection between susceptible and infected individuals in an S-I-R model?

Question

Quizplus · Accepted Answer

In an S-I-R model, the rate of infection between susceptible and infected individuals is characterized by the term b × I × S, where b is the contact rate, I is the number of infected individuals, and S is the number of susceptible individuals. The term represents the number of new infections that occur in a given time period.

Which Characterizes the Rate of Infection Between Susceptible and Infected