SARS-CoV-2: Alert immune system in the respiratory tract protects children from severe courses of the disease
Why are severe courses of SARS-CoV-2 infection less common in children and adolescents than in adults? Scientists at the German Cancer Research Center (Deutsches Krebsforschungszentrum, DKFZ) have now discovered that the immune system in the upper respiratory tract is much more alert and active in children before infection than in adults and is therefore better equipped to fight the virus.
https://www.gesundheitsindustrie-bw.de/en/article/press-release/sars-cov-2-aktiveres-immunsystem-den-atemwegen-schuetzt-kinder-vor-schweren-verlaeufen