11 critical questions about the coronavirus that remain unanswered, 6 months after the first cases were reported

Business Insider


· Experts continue to study the coronavirus as the number of people it infects and kills rises each day.
· Scientists are increasingly certain the coronavirus came from bats but aren't sure exactly how it hopped over to humans.
· Researchers also don't yet know why the virus doesn't cause symptoms in most children or how...

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