They do not base them on facts actually, as they contradict studies published by their own scientists or contradicts their own statements. So much that there is the beginning of a rebellion: school students are pro-actively masking up.
https://www.svt.se/nyheter/lokalt/up...t-ar-luftburen
https://omni.se/tegnell-gar-emot-ny-...mitta/a/lEE8l3
https://www.aftonbladet.se/debatt/a/...er-inte-langre
https://www.na.se/logga-in/gymnasiek...bast-att-borja
And again, the link between COVID scepticism and far rights: a swedish expert commissioned by the government blames the second wave on immigrants:
https://www.svtplay.se/video/2739561...1-12-nov-20-00