That’s just my point. “Commonly linked to” doesn’t mean “caused by,” and careful language like that makes me wonder whether any link has been established at all. There is an old legal axiom that temporal proximity, without more, is no evidence of causation. Just because this is happening during a Covid epidemic doesn’t mean it is caused by or even related to the epidemic. Maybe these kids are being exposed to some environmental or behavioral conditions because of the lockdown, or maybe this is the result of some entirely unrelated source.
No rule that there can be only one epidemic at a time.
Here's a quote from an online article about the newscast I was referring to:
"Some of these children have tested positive for COVID-19, Lynfield said. Some did not test positive, but blood tests showed antibodies consistent with exposure to the virus. Some children also had family members who had been ill, and symptoms presented a number of weeks later."
source: MDH issues advisory on potential COVID-linked syndrome in children
Yes they are being cautious about this and stating that they have not confirmed either covid or antibodies in every single case in the world, but the evidence is pretty strong.