Again:
NO COUNTRY HAS STOPPED THE VIRUS WITHOUT CONTROLLING ITS BORDERS

On June 25th, I alerted the EU that their internal border openings due on July 2nd were crazy. There would be a 2nd wave from ppl traveling from one country to the other.[1/ https://tomaspueyo.medium.com/coronavirus-how-to-reopen-travel-safely-f5951dfe06f0

Because they — and other Western countries — weren't paying attention, I wrote a 2nd article with the @NYtimes, on September 14th, going in depth into Fences, the border controls that are necessary to stop the virus.
[2/6] https://twitter.com/tomaspueyo/status/1305529985566945280?s=20

Still, EU countries didn't close borders.
And now here we are.
[3/6]

And now we know that border travel was crucial to spread the virus: The variant spread across Europe originated in Spain
[4/6] https://www.ft.com/content/2782655a-0441-4d38-bb03-5c4e67ead110

Here's the relevant excerpt.

[5/6]

Which shows this annotated timelapse was actually spot on.

EU countries: Control your borders, or you'll keep wasting your economies and your citizens' lives.
[6/6] https://twitter.com/tomaspueyo/status/1315926956911673344?s=20