Start your day here: Chicago teachers refuse to work in person; CDC holds firm on isolation guidance; Macron gets harsh on the unvaccinated

Good morning,
We're following these top stories today:
COVID-19 isolation: The Centers for Disease Control and Prevention reiterated its new guidelines for leaving isolation five days after a COVID-19 diagnosis without requiring a negative test result, despite criticism from some public health experts.
Chicago teachers: More than 300,000 students have the day off after the teachers union voted to switch to remote learning inresponse to the current COVID surge.
Macron gets testy: The French president told a newspaperhe wanted to "piss off" the country’s unvaccinated by limiting their access to almost everything.
🎧 Also on Up First, our daily podcast, groups of amateur detectives have been scouring social media to help track down Jan. 6 rioters.
— The Morning Edition live blog team
(Carol Ritchie, Rachel Treisman, Nell Clark and Danny Nett)