Take this quiz and see the origin of deadly viruses across the world??
![Take this quiz and see the origin of deadly viruses across the world?](https://ezeedigi.com/images/app1909/landingpage.jpg)
For some viral diseases, vaccines and antiviral drugs have allowed us to keep infections from spreading widely, and have helped sick people recover. For one disease — smallpox — we've been able to eradicate it, ridding the world of new cases.
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