Chicago teachers defy order to return to classrooms under shadow of Covid

• Union cites lack of vaccinations before Monday start
• District says safety plan in place for students and staff
• Birx: Covid deniers in White House derailed' response

The Chicago Teachers Union said on Sunday its members had voted to defy an order to return to the classroom because of concerns about Covid-19, setting up a showdown with district officials who have said that refusing to return when ordered would amount to an illegal strike.

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