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Why the Covid-19 vaccine won't end the pandemic immediately - CNN Video

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The New York Times
SOURCE: http://us.cnn.com/videos/health/2020/11/20/will-covid-vaccine-end-pandemic-lon-orig-na.cnn
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Summary

In the fight against coronavirus a safe and effective vaccine is a turning point. But there are many challenging steps ahead -- from making it in large quantities to getting it delivered around the world -- before a vaccine can have an impact on the spread of?

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