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How 'good' does a Covid-19 vaccine need to be to stop the pandemic?

To stop the pandemic, the number of new infections per day needs to drop to zero, or at least to a very low number, as quickly as possible

Within 30 minutes of the announcement, searches for outbound flights increased five times compared with the same period the day before

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Some political leaders have suggested that society will return to normal soon, especially if a vaccine becomes available by the end of the year or early in 2021

Bruce Y. Lee | The Conversation

6 min read Last Updated : Jul 16 2020 | 11:24 AM IST

The U.S. is pinning its hopes on a Covid-19 coronavirus vaccine, but will a vaccine alone be enough to stop the pandemic and allow life to return to normal?

The answer depends on a how “good” the vaccine ends up being.

In a study published July 15 in the American Journal of Preventive Medicine, my colleagues and I used a computer simulation of every person in the country to show how effective a vaccine would have to be and how many people would have to get vaccinated to end the pandemic. We found that a coronavirus vaccine’s effectiveness may

Topics : Coronavirus Coronavirus Vaccine Coronavirus Tests

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