Illinois Governor J.B. Pritzker speaks Wednesday at a press conference regarding COVID-19 | Photo: Illinois Information Service.

Illinois Gov. J.B. Pritzker is expected to announce a ‘shelter-in-place’ order Friday afternoon that will take effect Saturday to help stop the spread of the coronavirus, reports say.

The Chicago Tribune, citing sources, reported that Pritzker will announce the order at his 3 p.m. Friday press conference alongside Chicago Mayor Lori Lightfoot.

Residents will still be able to go grocery shopping, put gas in their cars, go to pharmacies and have access to other essential services, the Tribune reported. All roads will remain open to traffic.

Illinois will be the second state to impose a shelter-in-place order after California issued one on Thursday.

On Thursday, Pritzker said that the number of COVID-19 cases had risen to 422 and four people had died in the state as a result of the virus.

“The number of COVID-19 cases being reported is rising quickly, partly because of the increase in testing by commercial and hospital laboratories. Because testing is becoming more available in these labs, IDPH will prioritize testing for our most vulnerable populations, such as those who work or live in nursing homes and other congregate facilities,” state health officials said.

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Cases have occurred in ages ranging from 9 to 99. Pritzker and IDPH Director Dr. Ngozi Ezike emphasized that no place or person is immune from COVID-19.

Pritzker activated the Illinois National Guard on Monday. That activation brings 60 service members to assist with logistical support and medical staffing at hospitals and medical facilities.