What parents should know about sending kids back to school during Omicron

Millions of American kids will head back to classrooms in the coming days -- just after new pediatric Covid-19 hospitalizations reached an all-time high.

And that has many parents wondering what's safe as the Omicron variant sweeps the country.

"We fear that it's going to get a lot worse, between getting together for the holidays and then getting back to school," said Dr. Stanley Spinner, chief medical officer at Texas Children's Pediatrics & Texas Children's Urgent Care in Houston.

Some cities and school districts are taking aggressive new measures.