Have we ever had a global pandemic like this where everyone in the world is affected by a virus before?

Anonymous
With the ice caps and ice melting at a rapid rate could we see ancient viruses that are millions of years old that are as old as the dinosaurs that could be awakened and wreck havok on the world?
Have we ever had a global pandemic like this where everyone in the world is affected by a virus before?
3
4
Add Opinion