3. The figure below shows the initial spread of an SIR-like disease in a population. Each...

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3. The figure below shows the initial spread of an SIR-like disease in a population. Each susceptible individual is represented by a green circle and each infected individual by a red circle. Arrows between circles indicate contact occurred between these individuals. Use this figure to estimate the basic reproduction number, Ro, for this disease. Justify your answer. Infected Susceptible 3. The figure below shows the initial spread of an SIR-like disease in a population. Each susceptible individual is represented by a green circle and each infected individual by a red circle. Arrows between circles indicate contact occurred between these individuals. Use this figure to estimate the basic reproduction number, Ro, for this disease. Justify your answer. Infected Susceptible