Those reactions of officials are not very scientific all over. They don't read the current papers, reports, studies. They've only learned that flu is distributed by kids, and apply this logic to the latest flu outbreak. Well, they are as confused as the press, which knows even less. And the press is hysterizing the parents, which does have a significant impact on common health.
Current evidence points that children and young kids are the least susceptible to SARS-CoV-2, as outlined in this editorial[1]. But the governments and the press still treat it like it's the flu on that regard.
