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Public Health Officials Announce 59,312 New Cases of Coronavirus Disease Over the Past Week

News – Friday, December 17, 2021

SPRINGFIELD – The Illinois Department of Public Health (IDPH) today reported 59,312 new confirmed and probable cases of coronavirus disease (COVID-19) in Illinois, including an increase of 316 deaths since December 10, 2021.  

Currently, IDPH is reporting a total of 1,944,056 cases, including 27,117 deaths, in 102 counties in Illinois.  The age of cases ranges from younger than one to older than 100 years.  Since Friday, December 10, 2021, laboratories have reported 1,222,722 specimens for a total of 42,033,355.  As of last night, 3,783 individuals in Illinois were reported to be in the hospital with COVID-19.  Of those, 787 patients were in the ICU and 353 patients with COVID-19 were on ventilators.

The preliminary seven-day statewide positivity for cases as a percent of total test from December 10-16, 2021 is 4.9%.  The preliminary seven-day statewide test positivity from December 10-16, 2021 is 6.2%.

A total of 18,475,621 vaccines have been administered in Illinois as of last midnight.  The seven-day rolling average of vaccines administered daily is 66,816 doses.  Since Friday, December 10, 2021, 467,715 doses were reported administered in Illinois.  Of Illinois’ total population, more than 70% has received at least one COVID-19 vaccine dose and more than 63% of Illinois’ total population is fully vaccinated according to data from the Centers for Disease Control and Prevention (CDC).   

Yesterday, CDC endorsed its Advisory Committee on Immunization Practices (ACIP) recommendation expressing a clinical preference for individuals to receive an mRNA COVID-19 vaccine (Moderna or Pfizer-BioNTech) over Johnson & Johnson’s (J&J) vaccine.  ACIP’s unanimous recommendation followed a discussion of the latest evidence on vaccine effectiveness, vaccine safety and rare adverse events, and the abundant U.S. vaccine supply.  ACIP reaffirmed that receiving any vaccine is better than being unvaccinated

All data are provisional and will change.  Additional information and COVID-19 data can be found at  

Vaccination is the key to ending this pandemic.  To find a COVID-19 vaccination location near you, go to