Correlation between tuberculosis vaccination and reduced mortality for COVID-19?

In one of our previous posts we wondered why there was such a big difference in mortality between Spain and Portugal *. Could this be the explanation?
This map shows different tuberculosis vaccination policies around the world. It shows a remarkable (but still to be verified) relationship with COVID-19 mortality.

source: https://www.medrxiv.org/content/10.1101/2020.03.24.20042937v1

source: http://www.bcgatlas.org/

*https://calmcorona.com/2020/04/10/the-strange-difference-between-portugal-italy-greece/?fbclid=IwAR1D6kO7Yto3hEfaGJRyCWjLMIDtRc-Q3mg2c1lCo7qkTbDBt9dCHh-ffA0

Source: https://www.medrxiv.org/content/10.1101/2020.03.24.20042937v1

Published by verycalmcorona

Simple Belgian citizen. I am not a native english speaker.

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