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As Lollapalooza begins, Cook County added to indoor masking advisory for ‘substantial’ COVID-19 spread; Illinois mandates masks in all state buildings

  • Festivalgoers pack a Red Line subway train at the Harrison...

    Vashon Jordan Jr. / Chicago Tribune

    Festivalgoers pack a Red Line subway train at the Harrison station after the second day of Lollapalooza on July 30, 2021.

  • The Flaming Lips lead single Wayne Coyne pushes his child...

    Armando L. Sanchez / Chicago Tribune

    The Flaming Lips lead single Wayne Coyne pushes his child in a stroller near the artists village during the first day of Lollapalooza in Grant Park on July 29, 2021.

  • Njomza performs at the Grubhub stage during the second day...

    Vashon Jordan Jr. / Chicago Tribune

    Njomza performs at the Grubhub stage during the second day of Lollapalooza on July 30, 2021, at Grant Park in Chicago.

  • Koozie performs at Solana x Perry's stage during the third...

    Vashon Jordan Jr./Chicago Tribune

    Koozie performs at Solana x Perry's stage during the third day of Lollapalooza on July 31, 2021, at Grant Park in Chicago.

  • Jake Wesley Rogers performs at the BMI stage during the...

    Vashon Jordan Jr. / Chicago Tribune

    Jake Wesley Rogers performs at the BMI stage during the second day of Lollapalooza.

  • Joy Oladokun performs at Lollapalooza on July 31, 2021, in...

    John J. Kim/Chicago Tribune

    Joy Oladokun performs at Lollapalooza on July 31, 2021, in Chicago.

  • Orville Peck performs on the T-Mobile stage during the first...

    Armando L. Sanchez / Chicago Tribune

    Orville Peck performs on the T-Mobile stage during the first day of Lollapalooza, July 29, 2021.

  • Katie Kyle, of Madison, Wisc., lifts her daughter Raya, 4,...

    John J. Kim/Chicago Tribune

    Katie Kyle, of Madison, Wisc., lifts her daughter Raya, 4, over her head as they approach a stage to watch Joy Oladokun perform at Lollapalooza on July 31, 2021, in Chicago.

  • People arrive for the first day of the Lollapalooza music...

    Erin Hooley / Chicago Tribune

    People arrive for the first day of the Lollapalooza music festival in Chicago's Grant Park on July 29, 2021.

  • Sean McCarthy and Emma Crumpton rest on a tree trunk...

    John J. Kim/Chicago Tribune

    Sean McCarthy and Emma Crumpton rest on a tree trunk while listening to Joy Oladokun perform at Lollapalooza on July 31, 2021, in Chicago.

  • Roshanda Ricozat, of New Buffalo, Mich., center right, cools off...

    John J. Kim/Chicago Tribune

    Roshanda Ricozat, of New Buffalo, Mich., center right, cools off in front of a fan while dancing at a hydration station during Lollapalooza on July 31, 2021, in Chicago.

  • Tired concertgoers sit in a CTA Blue Line train after...

    John J. Kim / Chicago Tribune

    Tired concertgoers sit in a CTA Blue Line train after attending Lollapalooza on July 30, 2021, in Chicago.

  • Young Thug performs at the Bud Light Seltzer stage during...

    Vashon Jordan Jr. / Chicago Tribune

    Young Thug performs at the Bud Light Seltzer stage during the final day of Lollapalooza on Aug. 1, 2021.

  • Chicago police officers patrol during the second day of Lollapalooza...

    Vashon Jordan Jr. / Chicago Tribune

    Chicago police officers patrol during the second day of Lollapalooza at Grant Park in Chicago.

  • A concertgoer dances to the music of Joy Oladokun at...

    John J. Kim/Chicago Tribune

    A concertgoer dances to the music of Joy Oladokun at Lollapalooza on July 31, 2021, in Chicago.

  • Festivalgoers cheer as Roddy Ricch performs at the T-Mobile stage...

    Vashon Jordan Jr. / Chicago Tribune

    Festivalgoers cheer as Roddy Ricch performs at the T-Mobile stage during the second day of Lollapalooza on July 30, 2021, at Grant Park in Chicago.

  • Tyler, the Creator performs at Lollapalooza on July 30, 2021,...

    John J. Kim/Chicago Tribune

    Tyler, the Creator performs at Lollapalooza on July 30, 2021, in Chicago.

  • Joy Oladokun, center right, performs at Lollapalooza on July 31,...

    John J. Kim/Chicago Tribune

    Joy Oladokun, center right, performs at Lollapalooza on July 31, 2021, in Chicago.

  • An attendee smokes cannabis near the T-Mobile stage while Orville...

    Armando L. Sanchez / Chicago Tribune

    An attendee smokes cannabis near the T-Mobile stage while Orville Peck performs during the first day of Lollapalooza in Grant Park, July 29, 2021.

  • Orville Peck performs on the T-Mobile stage during the first...

    Armando L. Sanchez / Chicago Tribune

    Orville Peck performs on the T-Mobile stage during the first day of Lollapalooza in Grant Park.

  • Jack Harlow performs at the Lake Shore stage during the...

    Vashon Jordan Jr. / Chicago Tribune

    Jack Harlow performs at the Lake Shore stage during the second day of Lollapalooza, July 30, 2021, at Grant Park in Chicago.

  • Fans watch Miley Cyrus perform at the T-Mobile stage during...

    Armando L. Sanchez / Chicago Tribune

    Fans watch Miley Cyrus perform at the T-Mobile stage during the first day of Lollapalooza on July 29, 2021.

  • Jenna Tomaszewski, 26, and Alex Turner, 28, both of Tennessee,...

    Erin Hooley / Chicago Tribune

    Jenna Tomaszewski, 26, and Alex Turner, 28, both of Tennessee, show their COVID-19 vaccination cards as they arrive for the first day of the Lollapalooza music festival in Chicago's Grant Park on July 29, 2021. A vaccination card or negative COVID-19 test is required for entry to Lollapalooza this year.

  • People walk along Columbus Drive at Lollapalooza, July 29, 2021,...

    Erin Hooley / Chicago Tribune

    People walk along Columbus Drive at Lollapalooza, July 29, 2021, at Grant Park.

  • Njomza performs at the Grubhub stage during the second day...

    Vashon Jordan Jr. / Chicago Tribune

    Njomza performs at the Grubhub stage during the second day of Lollapalooza on July 30, 2021, at Grant Park in Chicago.

  • Music in the Key of Chicago performs on the Bud...

    Vashon Jordan Jr. / Chicago Tribune

    Music in the Key of Chicago performs on the Bud Light stage during the final day of Lollapalooza, Aug. 1, 2021, at Grant Park in Chicago.

  • A fan is helped over the barricade after being called...

    Vashon Jordan Jr. / Chicago Tribune

    A fan is helped over the barricade after being called up by Toosii as he performs on the final day of Lollapalooza, Aug. 1, 2021.

  • Two friends talk closely at Lollapalooza on July 31, 2021,...

    John J. Kim/Chicago Tribune

    Two friends talk closely at Lollapalooza on July 31, 2021, in Chicago.

  • Polo G to performs at Lollapalooza on July 30, 2021,...

    John J. Kim / Chicago Tribune

    Polo G to performs at Lollapalooza on July 30, 2021, in Chicago.

  • Jimmy Eat World performs at the Bud Light Seltzer stage...

    Armando L. Sanchez / Chicago Tribune

    Jimmy Eat World performs at the Bud Light Seltzer stage during the first day of Lollapalooza in Grant Park, July 29, 2021.

  • People arrive on the first day of the Lollapalooza music...

    Erin Hooley / Chicago Tribune

    People arrive on the first day of the Lollapalooza music festival in Chicago's Grant Park on July 29, 2021.

  • Jaus performs electronic dance music at Lollapalooza, July 30, 2021,...

    John J. Kim / Chicago Tribune

    Jaus performs electronic dance music at Lollapalooza, July 30, 2021, in Chicago.

  • Jack Harlow performs at the Lake Shore stage during the...

    Vashon Jordan Jr. / Chicago Tribune

    Jack Harlow performs at the Lake Shore stage during the second day of Lollapalooza.

  • The Blue Cross Blue Shield Tower is illuminated with the...

    John J. Kim/Chicago Tribune

    The Blue Cross Blue Shield Tower is illuminated with the words, "Vacc to Lolla" to promote COVID-19 vaccination, at Lollapalooza on July 30, 2021, in Chicago.

  • Fans of Young Thug watch as he performs at the...

    Vashon Jordan Jr. / Chicago Tribune

    Fans of Young Thug watch as he performs at the Bud Light Seltzer stage during the final day of Lollapalooza on Aug. 1, 2021.

  • Festivalgoers pack the CTA Red Line Harrison station after the...

    Vashon Jordan Jr. / Chicago Tribune

    Festivalgoers pack the CTA Red Line Harrison station after the second day of Lollapalooza on July 30, 2021.

  • People watch Orville Peck perform on the T-Mobile stage during...

    Armando L. Sanchez / Chicago Tribune

    People watch Orville Peck perform on the T-Mobile stage during the first day of Lollapalooza.

  • A concertgoer pauses before picking up a friend on a...

    John J. Kim / Chicago Tribune

    A concertgoer pauses before picking up a friend on a wheelchair ramp at Lollapalooza on July 30, 2021, in Chicago.

  • Concertgoers high-five one another at Lollapalooza on July 31, 2021,...

    John J. Kim/Chicago Tribune

    Concertgoers high-five one another at Lollapalooza on July 31, 2021, in Chicago.

  • Music in the Key of Chicago performs on the Bud...

    Vashon Jordan Jr. / Chicago Tribune

    Music in the Key of Chicago performs on the Bud Light stage during the final day of Lollapalooza, Aug. 1, 2021, at Grant Park in Chicago.

  • An attendee takes a photo while watching Kaytranada perform at...

    Armando L. Sanchez / Chicago Tribune

    An attendee takes a photo while watching Kaytranada perform at the Bud Light Seltzer stage during the first day of Lollapalooza in Grant Park on July 29, 2021.

  • A cluster of soap bubbles shaped like a heart floats...

    John J. Kim/Chicago Tribune

    A cluster of soap bubbles shaped like a heart floats above the Lollapalooza festival grounds on July 31, 2021, in Chicago.

  • Pyrotechnics explore as Tyler, the Creator performs at Lollapalooza on...

    John J. Kim/Chicago Tribune

    Pyrotechnics explore as Tyler, the Creator performs at Lollapalooza on July 30, 2021, in Chicago.

  • Roddy Ricch performs at the T-Mobile stage during the second...

    Vashon Jordan Jr. / Chicago Tribune

    Roddy Ricch performs at the T-Mobile stage during the second day of Lollapalooza, July 30, 2021, at Grant Park in Chicago.

  • Giveon performs at the T-Mobile stage during the second day...

    Vashon Jordan Jr. / Chicago Tribune

    Giveon performs at the T-Mobile stage during the second day of Lollapalooza on July 30, 2021.

  • DJ Mike P performs on the Bud Light stage during...

    Vashon Jordan Jr. / Chicago Tribune

    DJ Mike P performs on the Bud Light stage during the final day of Lollapalooza, Aug. 1, 2021, in Chicago.

  • A mask sits among trash on the ground near the...

    Armando L. Sanchez / Chicago Tribune

    A mask sits among trash on the ground near the Solana x Perry stage after the first day of Lollapalooza in Grant Park, July 29, 2021, in Chicago.

  • Police officers stand at Buckingham Fountain during Lollapalooza on July...

    John J. Kim / Chicago Tribune

    Police officers stand at Buckingham Fountain during Lollapalooza on July 30, 2021, in Chicago.

  • A concertgoer stands at attention after walking through a metal...

    John J. Kim/Chicago Tribune

    A concertgoer stands at attention after walking through a metal detector at the entrance to Lollapalooza on July 31, 2021, in Chicago.

  • Joy Oladokun tunes her guitar while performing at Lollapalooza on...

    John J. Kim/Chicago Tribune

    Joy Oladokun tunes her guitar while performing at Lollapalooza on July 31, 2021, in Chicago.

  • Eva Adams waves a cowboy hat as fans cheer Orville...

    Armando L. Sanchez / Chicago Tribune

    Eva Adams waves a cowboy hat as fans cheer Orville Peck at the T-Mobile stage during the first day of Lollapalooza, July 29, 2021.

  • Miley Cyrus performs at the T-Mobile stage during the first...

    Armando L. Sanchez / Chicago Tribune

    Miley Cyrus performs at the T-Mobile stage during the first day of Lollapalooza in Grant Park, July 29, 2021, in Chicago.

  • A concertgoer expressers her view on vaccines on her midriff...

    John J. Kim / Chicago Tribune

    A concertgoer expressers her view on vaccines on her midriff at Lollapalooza July 30, 2021, in Chicago.

  • Attendees watch Kaytranada perform at the Bud Light Seltzer stage...

    Armando L. Sanchez / Chicago Tribune

    Attendees watch Kaytranada perform at the Bud Light Seltzer stage during the first day of Lollapalooza in Grant Park on July 29, 2021.

  • People arrive at Lollapalooza, July 29, 2021, at Grant Park...

    Erin Hooley / Chicago Tribune

    People arrive at Lollapalooza, July 29, 2021, at Grant Park in Chicago.

  • While sitting on the ground Dlaina Jackson hugs Jamie Rudisill...

    Armando L. Sanchez / Chicago Tribune

    While sitting on the ground Dlaina Jackson hugs Jamie Rudisill as the two greet each other during the first day of Lollapalooza on July 29, 2021.

  • Festivalgoers dance in a mosh pit as Dabin performs on...

    Vashon Jordan Jr. / Chicago Tribune

    Festivalgoers dance in a mosh pit as Dabin performs on the Solana x Perry's stage during the second day of Lollapalooza.

  • Post Malone performs at the T-Mobile stage during the third...

    Vashon Jordan Jr. / Chicago Tribune

    Post Malone performs at the T-Mobile stage during the third day of Lollapalooza, July 31, 2021, at Grant Park.

  • Two attendees dance near the Solana x Perry stage after...

    Armando L. Sanchez / Chicago Tribune

    Two attendees dance near the Solana x Perry stage after the first day of Lollapalooza in Grant Park, July 29, 2021.

  • Tyler, the Creator performs atop a pleasure boat on stage...

    John J. Kim/Chicago Tribune

    Tyler, the Creator performs atop a pleasure boat on stage at Lollapalooza Friday, July 30, 2021, in Chicago.

  • Two women dance while sitting atop shoulders at Lollapalooza on...

    John J. Kim/Chicago Tribune

    Two women dance while sitting atop shoulders at Lollapalooza on July 31, 2021, in Chicago.

  • Ferran Yagcier-Rodriguez rests his head on Tanner Gardner's lap, both...

    Armando L. Sanchez / Chicago Tribune

    Ferran Yagcier-Rodriguez rests his head on Tanner Gardner's lap, both 21, near the T-Mobile stage while Orville Peck performs during the first day of Lollapalooza.

  • Polo G to performs at Lollapalooza on July 30, 2021,...

    John J. Kim / Chicago Tribune

    Polo G to performs at Lollapalooza on July 30, 2021, in Chicago

  • A woman is carried away from the crowd during a...

    John J. Kim / Chicago Tribune

    A woman is carried away from the crowd during a performance by Polo G at Lollapalooza on July 30, 2021, in Chicago.

  • Marvin Jackson, 35, picks up trash on the ground near...

    Armando L. Sanchez / Chicago Tribune

    Marvin Jackson, 35, picks up trash on the ground near the Solana x Perry stage after the first day of Lollapalooza on July 29, 2021.

  • A concertgoer holds an inflatable arm-waiving balloon at Lollapalooza on...

    John J. Kim/Chicago Tribune

    A concertgoer holds an inflatable arm-waiving balloon at Lollapalooza on July 30, 2021, in Chicago.

  • A festivalgoer wears a face mask during the final day...

    Vashon Jordan Jr. / Chicago Tribune

    A festivalgoer wears a face mask during the final day of Lollapalooza, Aug. 1, 2021, in Grant Park.

  • Two concertgoers wear colorful patterns at Lollapalooza, July 30, 2021.

    John J. Kim / Chicago Tribune

    Two concertgoers wear colorful patterns at Lollapalooza, July 30, 2021.

  • Fans watch Miley Cyrus perform at the T-Mobile stage during...

    Armando L. Sanchez / Chicago Tribune

    Fans watch Miley Cyrus perform at the T-Mobile stage during the first day of Lollapalooza in Grant Park, July 29, 2021.

  • Harsh Thakkar, 19, of Vernon Hills, has glitter put on...

    John J. Kim / Chicago Tribune

    Harsh Thakkar, 19, of Vernon Hills, has glitter put on his cheeks by Ria Kumari, 19, of Lake Zurich, at Lollapalooza on July 30, 2021.

  • Michael Kportufe, center, dances to electronic dance music at Lollapalooza...

    John J. Kim/Chicago Tribune

    Michael Kportufe, center, dances to electronic dance music at Lollapalooza on July 31, 2021, in Chicago.

  • Tyler, the Creator performs at Lollapalooza on July 30, 2021,...

    John J. Kim/Chicago Tribune

    Tyler, the Creator performs at Lollapalooza on July 30, 2021, in Chicago.

  • Miley Cyrus performs with Billy Idol at the T-Mobile stage...

    Armando L. Sanchez / Chicago Tribune

    Miley Cyrus performs with Billy Idol at the T-Mobile stage during the first day of Lollapalooza on July 29, 2021.

  • A concertgoer rests on a dirt field at Lollapalooza on...

    John J. Kim/Chicago Tribune

    A concertgoer rests on a dirt field at Lollapalooza on July 30, 2021, in Chicago.

  • Allison Raniere, of Kent, Wash., uses a fan to cool...

    John J. Kim/Chicago Tribune

    Allison Raniere, of Kent, Wash., uses a fan to cool off at Lollapalooza on July 31, 2021, in Chicago.

  • Signs alert people to COVID-19 restrictions on the first day...

    Erin Hooley / Chicago Tribune

    Signs alert people to COVID-19 restrictions on the first day of the Lollapalooza music festival in Chicago's Grant Park on July 29, 2021. Attendees are required to show a COVID-19 vaccination card or a negative COVID-19 test for entry.

  • An attendee jumps over a puddle near a garage can...

    Armando L. Sanchez / Chicago Tribune

    An attendee jumps over a puddle near a garage can during the first day of Lollapalooza in Grant Park, July 29, 2021.

  • Festival goers cheer as Post Malone performs at the T-Mobile...

    Vashon Jordan Jr./Chicago Tribune

    Festival goers cheer as Post Malone performs at the T-Mobile stage during the third day of Lollapalooza, July 31, 2021, at Grant Park.

  • Young Thug performs at the Bud Light Seltzer stage during...

    Vashon Jordan Jr. / Chicago Tribune

    Young Thug performs at the Bud Light Seltzer stage during the final day of Lollapalooza on Aug. 1, 2021.

  • A Chicago Police vehicle drives along South Columbus Drive during...

    Armando L. Sanchez / Chicago Tribune

    A Chicago Police vehicle drives along South Columbus Drive during the first day of Lollapalooza on July 29, 2021.

  • Toosii performs on the Lake Shore stage during the final...

    Vashon Jordan Jr. / Chicago Tribune

    Toosii performs on the Lake Shore stage during the final day of Lollapalooza, Aug. 1, 2021, at Grant Park in Chicago.

  • A festivalgoer wearing a face mask walks on South Columbus...

    Vashon Jordan Jr. / Chicago Tribune

    A festivalgoer wearing a face mask walks on South Columbus Drive during the second day of Lollapalooza on July 30, 2021.

  • Kyla Narayan rests on a patch of dried grass at...

    John J. Kim/Chicago Tribune

    Kyla Narayan rests on a patch of dried grass at Lollapalooza on July 31, 2021, in Chicago.

  • Festivalgoers wait at the front barricade of the Bud Light...

    Vashon Jordan Jr. / Chicago Tribune

    Festivalgoers wait at the front barricade of the Bud Light stage early during the final day of Lollapalooza, Aug. 1, 2021.

  • Megan Thee Stallion waves to people from inside of a...

    Vashon Jordan Jr. / Chicago Tribune

    Megan Thee Stallion waves to people from inside of a vehicle after performing at the T-Mobile stage during the third day of Lollapalooza, July 31, 2021, at Grant Park in Chicago.

  • Two fans take photos with Toosii as he performs during...

    Vashon Jordan Jr. / Chicago Tribune

    Two fans take photos with Toosii as he performs during the final day of Lollapalooza, Aug. 1, 2021, in Grant Park.

  • A golf cart drives past a Lollapalooza sign outside an...

    Armando L. Sanchez / Chicago Tribune

    A golf cart drives past a Lollapalooza sign outside an entrance near East Ida B. Wells Drive and South Michigan Avenue on July 27, 2021, in Chicago. The four-day festival starts Thursday.

  • Festivalgoers dance in a mosh pit as Dabin performs on...

    Vashon Jordan Jr. / Chicago Tribune

    Festivalgoers dance in a mosh pit as Dabin performs on the Solana x Perry's stage during the second day of Lollapalooza on July 30, 2021, at Grant Park.

  • The Aquadolls perform on the Grubhub stage during the final...

    Vashon Jordan Jr. / Chicago Tribune

    The Aquadolls perform on the Grubhub stage during the final day of Lollapalooza, Aug. 1, 2021, in Grant Park.

  • Kofi the Kyd, center, dances in a mosh pit as...

    Vashon Jordan Jr. / Chicago Tribune

    Kofi the Kyd, center, dances in a mosh pit as Dabin performs on the Solana x Perry's stage during the second day of Lollapalooza.

  • Concertgoers dance to electronic dance music during Lollapalooza on July...

    John J. Kim/Chicago Tribune

    Concertgoers dance to electronic dance music during Lollapalooza on July 31, 2021, in Chicago.

  • Attendees walk past a Lollapalooza sign during the first day...

    Armando L. Sanchez / Chicago Tribune

    Attendees walk past a Lollapalooza sign during the first day of the music festival in Grant Park on July 29, 2021.

  • Attendees watch Kaytranada perform at the Bud Light Seltzer stage...

    Armando L. Sanchez / Chicago Tribune

    Attendees watch Kaytranada perform at the Bud Light Seltzer stage during the first day of Lollapalooza in Grant Park, July 29, 2021.

  • G Herbo performs at the T-Mobile stage during the final...

    Vashon Jordan Jr. / Chicago Tribune

    G Herbo performs at the T-Mobile stage during the final day of Lollapalooza, Aug. 1, 2021.

  • A concertgoer displays her vaccination information for entry to the...

    Vashon Jordan Jr./Chicago Tribune

    A concertgoer displays her vaccination information for entry to the third day of Lollapalooza on July 31, 2021, at Grant Park in Chicago.

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Hours after Lollapalooza got underway Thursday, Cook County was added to the Centers for Disease Control and Prevention’s list of areas experiencing “substantial” COVID-19 transmission.

Citing that development, Illinois Gov. J.B. Pritzker later Thursday announced a new mask requirement for everyone in state-run facilities, including those who are vaccinated, starting immediately.

Cook now joins DuPage, McHenry and Will counties in the Chicago area, and 80 others statewide, in meeting the threshold where masks are recommended for everyone indoors, regardless of vaccination status.

The CDC announced the new guidelines Tuesday for counties experiencing “substantial” or “high” transmission, and state health officials quickly adopted the revised recommendations, which come as the delta variant of the coronavirus surges across the country. Federal officials have said recent data suggests fully vaccinated people can spread the more contagious strain.

The state has not reinstituted any mask requirements after lifting nearly all remaining coronavirus-related restrictions last month.

That news came after Chicago Mayor Lori Lightfoot said she expects the city to start recording 200 new daily COVID-19 cases but noted that other key metrics give reason for “optimism, in quotes.”

Lightfoot earlier this week told the New York Times she would consider a mask mandate and other restrictions once the city returns to having at least 200 cases per day on average.

But at a news conference Thursday, Lightfoot noted that she’s concerned about rising cases but they aren’t doubling at the same rate they did last spring or fall.

“We’re not seeing a huge surge in hospitalizations. That’s important. Or ICU beds. Or people on ventilators,” she said.

Signs alert people to COVID-19 restrictions on the first day of the Lollapalooza music festival in Chicago's Grant Park on July 29, 2021. Attendees are required to show a COVID-19 vaccination card or a negative COVID-19 test for entry.
Signs alert people to COVID-19 restrictions on the first day of the Lollapalooza music festival in Chicago’s Grant Park on July 29, 2021. Attendees are required to show a COVID-19 vaccination card or a negative COVID-19 test for entry.

The mayor did not say whether she will implement restrictions soon but reiterated her call for people to get vaccinated, especially as the delta variant rages through the country.

“Without that protection, you’re playing Russian roulette,” Lightfoot said.

The city’s average number of daily new cases inched up to 190 on Thursday, up from 185 the previous day and 117 over the previous week, but far below an April peak of nearly 650 new cases per day. Hospitalizations remain low, averaging eight new instances daily, while the average number of daily deaths related to COVID-19 remains below one.

Statewide, 1,691 new confirmed and probable cases of COVID-19 were reported Thursday, bringing average of new daily cases to 1,543, down slightly from Wednesday’s average of 1,587.

Lightfoot also said she’s looking at the possibility of mandating vaccinations for Chicago city workers, but she said she’s still having conversations with workers unions.

“We’re looking at what’s happening in other circumstances and crafting a strategy that works for Chicago,” she said.

As for kicking off a music festival as COVID-19 cases continue to rise — one expected to attracts hundreds of thousands of people to Grant Park over the next four days — the mayor said safety is a “primary consideration” at such gatherings, “and certainly this year.”

“We have had very robust planning around safety for weeks if not months leading into the start of Lollapalooza today,” she said, adding there’s been an effort to identify and mitigate “soft spots” around the perimeter of the festival site.

In a departure from past practice, the city told the Tribune it would not provide daily updates of the number of arrests made, citations issued and attendees sent from Lollapalooza to nearby hospitals.

Mary May, spokeswoman for the Office of Emergency Management and Communications, said the city this year dropped that practice because officials wanted “to report complete numbers at one time” at the end of the event. May said the change had nothing to do with the potential that attendees would be transported to hospitals with COVID-19 symptoms.

Lightfoot faces a complicated balancing act on the pandemic. She has encouraged residents to get vaccinated and warned about possible restrictions if the city sees spikes. But she also has made a point of emphasizing her desire to keep the city as open as possible. At times, it has led to some mixed messaging.

As cases rose last October, for instance, she regularly warned about tighter restrictions being forthcoming — then criticized Pritzker for again shutting down indoor dining.

Lightfoot is also facing some criticism from people who think Lollapalooza shouldn’t be allowed to happen this year as cases swell, or that more restrictions need to be imposed on the festival. Attendees must show they’ve been vaccinated or that they’ve received a negative coronavirus test within 72 hours before entering. That standard was loosened from a previous 24-hour window.

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