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Articles on Herd immunity

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The Grand Hotel Taipei in Taiwan lights up rooms to mark five days with no new COVID-19 cases. Ricky kuo/Shutterstock

Is reaching zero COVID-19 possible?

With a vaccine, yes, elimination is possible. But we need to be realistic about how long this might take.
Billions of people are going to need a coronavirus vaccine and that demand is going to be hard to meet. Francesco Carta fotografo/Moment via Getty Images

Approval of a coronavirus vaccine would be just the beginning – huge production challenges could cause long delays

Once a coronavirus vaccine is approved, billions of doses need to be manufactured. Current vaccine production is nowhere near ready, for a variety of reasons, but planning now could help.

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