Coronavirus in Illinois updates: Chicago Public Schools aims to get first shots to all employees by April 1

With more than 52,000 people in that category and no central tracking method, it’s unclear how many still need their first doses. CPS only has access to data from its own sites, where 5,100 first doses had been given as of Monday, though the Chicago Board of Education last month approved a measure that requires employees to tell the district whether they’ve been vaccinated.