hi, john's wife, as well. it is tuesday, january 4th. i'm brianna keilar with john berman. this morning, record highs in the number of coronavirus cases. the u.s. seven-day rolling average of cases standing at a record 400,000. now, more than 103,000 people in the u.s. are hospitalized with coronavirus. it's the first time that this total has reached six figures in nearly four months. states are also reporting surges in child hospitalizations. very alarming here. they're now the highest they have ever been, with more than 500 children being admitted daily. this as the omicron variant complicates the return to school with some of the largest districts shifting to remote learning and others relying on more robust testing. in chicago, the third largest school district in the country, the teachers union is gearing up for a potential woalkout as cass there skyrocket. today, they'll hold an emergency meeting to vote on measures they deem safe. now, students are eligible for booster shots.