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Suppose a disease has an R0 of 5, and assume that, on average, 400 friends are encountered by an infected individual. A. What is the

Suppose a disease has an R0 of 5, and assume that, on average, 400 friends are encountered by an infected individual. A. What is the probability that any one friend becomes infected? B. How many of the 400 friends would have to be vaccinated to bring the effective R of the disease down to 1

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