Illinois’ plan for COVID-19 vaccine distribution puts front-line health care workers first, but many details still up in air

The state of Illinois’ plan for distributing a COVID-19 vaccine when one becomes available puts front-line health care workers first in line to be inoculated, but shifting projections on how many initial doses the state is likely to receive, the various temperature storage requirements for different vaccines and changing federal recommendations make it uncertain exactly how that plan will roll out.