“Among children and adolescents, estimated VE [vaccine effectiveness] for 2 doses of BNT162b2 against symptomatic infection was modest and decreased rapidly,

https://www.zerohedge.com/covid-19/twitter-quietly-removes-warning-added-cdc-study-child-vaccines

Association of Prior BNT162b2 COVID-19 Vaccination With Symptomatic SARS-CoV-2 Infection in Children and Adolescents During Omicron Predominance

https://jamanetwork.com/journals/jama/fullarticle/2792524

Meaning  Among children and adolescents, estimated vaccine effectiveness for 2 doses of BNT162b2 against symptomatic infection decreased rapidly, and among adolescents increased after a booster dose.