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by mensetmanusman 1082 days ago
It was impossible after we learned a few things:

-R0 was quite high

-Animals can hold and spread the virus, so even after vaccinations of humans it was going to be in the background

-not every country was trying for zero Covid, therefore at some point in the future if you ever hope to have an open border with a country that has open borders with that country, you get it eventually.

-there are no 100% secure borders