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What is herd immunity and can it stop the coronavirus?

Once enough people get Covid-19, it will stop spreading on its own. But the costs will be devastating.
by Antonio Regaladoarchive page

There are basically three ways to stop the Covid-19 disease for good. One involves extraordinary restrictions on free movement and assembly, as well as aggressive testing, to interrupt its transmission entirely. That may be impossible now that the virus is in over 100 countries. The second is a vaccine that could protect everyone, but it still needs to be developed.


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