More than half the states have now begun to lift lockdown restrictions even as coronavirus cases and the death toll continues to rise. Now medical experts are bracing for a potential second wave of the virus. This is not the first time the world has encountered a devastating virus and failed to heed the warnings of scientists. More than 100 years ago, the 1918 Flu pandemic infected an estimated 500 million people worldwide. An estimated 20 to 50 million were killed. Now, as Special Contributor Joie Chen reports, some historians fear we may be heading down a similar path.

 

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