I think this article is a bit more nuanced based on what they are seeing on the ground. Derek brings up good points about background rates, but papers over some things. It's a complex picture and the below article paints it well.
Also scientists in Norway claim they found the mechanism that causes it.
Also scientists in Norway claim they found the mechanism that causes it.
https://www.sciencemag.org/news/2021/03/it-s-very-special-pi...
https://www.vg.no/nyheter/innenriks/i/KyGv2G/professor-says-...