Public health officials in the United States have expressed concern over the sharp new rise in COVID-19 cases in children.

The surge seems to be pushed by increased circulation of the more contagious variants, at a time when children and adolescents are returning to in-person activities like sports, classes, etc. In the previous surges, children did not play a major role in transmitting the infection. When diagnosed with COVID-19, their symptoms were mild or even absent, and it was noted that they were not usually the first cases in households or clusters. But now, as variants have started dominating, and seniors are gaining protection with the help of vaccines, the pattern may be changing. Infectious disease experts are on the vigil to see if COVID-19 will start spreading in a manner more similar to influenza, where children become infected first and take the infection home… (Medscape)