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Making a comparison of Sweden (10,094,432 population) vs Czech Republic (10,707,502 population) seems to reveal a very different story.

New cases (7 day average): https://i.imgur.com/fciq4Ra.png

Total deaths: https://i.imgur.com/do9Zbvn.png

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Masks can do wonders

If there is a clear sign of the mask requirement being introduced in graphs from various countries (e.g. these graphs) I can't see it...

I think there is a lot of "I believe X would give outcome Y and I see outcome Y therefore X must work". This mistake is called Affirming the Consequent.

Without clear signs of causation we can't know.

Thank you. There's sooooo much "I think like this therefore I will find two variables out of 10000 and link them" going around. The easy with which one could argue the exact opposite using some two other variables seems to go unnoticed by the original makes of the claim, whatever it was.

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