From NIHCM Foundation's Newsletter With COVID cases on the rise nationwide, driven primarily by the Omicron variant, more children than ever are testing positive . In the last week of 2021, roughly 325,340 children tested positive, up from 198,551 cases the week prior. Additionally, a record level of children under five are being hospitalized; as of January 1st, more than four in 100,000 children aged four and under were admitted to hospitals with COVID-19 infections, a rate more than triple this time last year. Schools: The rise in pediatric cases has led many schools to take aggressive measures to prevent the spread of COVID-19, from remote learning to daily at-home testing. Facing staffing shortages , some states are advising teachers that have tested positive but are asymptomatic that they may return to work after five days instead of ten . Vaccines: 12- to 15- year olds are now authorized to receive the Pfizer booster shot and are advised to do so five mon