Even Donald Trump has finished with the thread, and its use is becoming more common throughout the world: and yet the authorities of the nordic countries (Sweden, Denmark, Norway, Finland, Iceland), as well as their more than 25 million inhabitants, continue to the hour to shun the mask to combat the pandemic of Covid-19.
In the streets of Stockholm, Copenhagen, Oslo or Helsinki, or even in the supermarkets, offices, buses, and subways, hard to find carriers of masks, which are restricted to a tiny minority, often tourists.
