NBC article on why children are being spared from the viral infection.
'We simply do not understand why': Coronavirus is sparing children, puzzling experts
https://www.nbcnews.com/health/health-news/we-simply-do-not-understand-why-coronavirus-sparing-children-puzzling-n1147951
BUT, consider this
Can China recover from its disastrous one-child policy?
https://www.theguardian.com/world/2019/mar/02/china-population-control-two-child-policy
"By 2050 as much as a third of the country’s population will be made up of people over the age of 60, putting severe strain on state services and the children who bear the brunt of caring for elderly relatives."
Perhaps this strain was engineered to target older people to reduce the burden of the aging Asian population on their system. And when presented with the need to create global chaos, they hit two birds with one stone.