Consider the SIR model for disease control and prevention measures: immunization and quarantine pS bN S I R ds IP dR Figure 1: Transfer diagram for an SIR Vaccination model. i. Derive the system of differential equations for the model with transfer diagram for S(0) So, I(0) = lo = 0 and R(0) = Ro = 0. ii. Explain the physical meaning of each of the parameters p, b, 2,y, d in each compartment iii. State the Ro value for this model and explain what it represents

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