I thought this was kinda interesting. I know there is extreme age-stratified risk on Covid, but some of the "less dangerous than flu for kids" thing is way overstated. In terms of hospitalizations, it looks like COVID blows seasonal flu out of the water.
https://www.cdc.gov/flu/about/burden/2016-2017.html
There was about 34K hospitalization under 17 along with 251 deaths
https://www.cdc.gov/coronavirus/2019-ncov/cases-updates/burden.html
There was about 137k hospitalizations under 17 as of the end of December. There's been 258 deaths confirmed so far.