Imagine that a new, deadly coronavirus arises and starts a global pandemic. Experts are worried because the disease spreads easily, having a basic reproductive number, Ro, of 5. The good news is that an effective vaccine is quickly developed. What proportion of the population, pc, would need to be vaccinated to ensure that the disease can no longer spread?

Q: Why should we be against making vaccines mandatory?

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Q: Why should we be against making vaccines mandatory?

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