At-home Covid-19 tests from Chicago Public  School students pile up at a FedEx drop-off box in the West Elsdon neighborhood of Chicago on December 28.
	E. Jason Wambsgans/Chicago Tribune/Tribune News Service/Getty Images

At-home Covid-19 tests from Chicago Public School students pile up at a FedEx drop-off box in the West Elsdon neighborhood of Chicago on December 28.
E. Jason Wambsgans/Chicago Tribune/Tribune News Service/Getty Images

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Union vote could trigger 'electronic lockout' of Chicago teachers amid dispute over rising Covid-19 cases

The Chicago Teachers Union is planning to convene an emergency meeting to vote on whether its teachers should move to virtual teaching amid a surge in Covid-19 cases, according to a union official, setting up a potential "electronic lockout" by the school district.