According to the basic host-pathogen model of disease, if susceptible and infected individuals are the only types of individuals in a population, then disease transmission is greatest when susceptible individuals are _______ percent of the population. [Hint: If the density remains the same, when is SI maximized?]

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Quizplus · Accepted Answer

Disease transmission is maximized when the product of susceptible (S) and infected (I) individuals is maximized. This occurs when both S and I are equal, which is at 50% each.

According to the Basic Host-Pathogen Model of Disease, If Susceptible