Children are said to have a stronger immune response to the coronavirus infection. Since the onset of COVID-19 in early 2020, the majority of the young population has experienced mild to moderate illnesses, with no sign of danger or complications.

from Times of India https://timesofindia.indiatimes.com/life-style/health-fitness/health-news/coronavirus-are-children-at-risk-of-developing-severe-omicron-infection/photostory/88141222.cms