A personal trainer (R) works with a client at a fitness center in Wilmette, Illinois, the United States, May 29, 2020. Thousands of restaurants and bars struggling on the verge of closing temporarily or permanently in the past two months across the U.S. Midwest state of Illinois, except for those in downtown Chicago, reopened Friday, though only for outdoor service and with restrictions. (Photo by George Pfoertner/Xinhua)

The owner (R) of a hair salon takes a customer's temperature before he gets a haircut in Wilmette, Illinois, the United States, May 29, 2020. Thousands of restaurants and bars struggling on the verge of closing temporarily or permanently in the past two months across the U.S. Midwest state of Illinois, except for those in downtown Chicago, reopened Friday, though only for outdoor service and with restrictions. (Photo by George Pfoertner/Xinhua)

Customers have their hair done at a hair salon in Wilmette, Illinois, the United States, May 29, 2020. Thousands of restaurants and bars struggling on the verge of closing temporarily or permanently in the past two months across the U.S. Midwest state of Illinois, except for those in downtown Chicago, reopened Friday, though only for outdoor service and with restrictions. (Photo by George Pfoertner/Xinhua)

Two women talk at a clothes store in Highland Park, Illinois, the United States, May 29, 2020. Thousands of restaurants and bars struggling on the verge of closing temporarily or permanently in the past two months across the U.S. Midwest state of Illinois, except for those in downtown Chicago, reopened Friday, though only for outdoor service and with restrictions. (Photo by George Pfoertner/Xinhua)

Customers have their hair done at a hair salon in Wilmette, Illinois, the United States, May 29, 2020. Thousands of restaurants and bars struggling on the verge of closing temporarily or permanently in the past two months across the U.S. Midwest state of Illinois, except for those in downtown Chicago, reopened Friday, though only for outdoor service and with restrictions. (Photo by George Pfoertner/Xinhua)

A personal trainer (R) works with a client at a fitness center in Wilmette, Illinois, the United States, May 29, 2020. Thousands of restaurants and bars struggling on the verge of closing temporarily or permanently in the past two months across the U.S. Midwest state of Illinois, except for those in downtown Chicago, reopened Friday, though only for outdoor service and with restrictions. (Photo by George Pfoertner/Xinhua)

Customers enjoy an sunny afternoon on the patio at a bar in Winnetka, Illinois, the United States, May 29, 2020. Thousands of restaurants and bars struggling on the verge of closing temporarily or permanently in the past two months across the U.S. Midwest state of Illinois, except for those in downtown Chicago, reopened Friday, though only for outdoor service and with restrictions. (Photo by George Pfoertner/Xinhua)

Customers have their hair done at a hair salon in Wilmette, Illinois, the United States, May 29, 2020. Thousands of restaurants and bars struggling on the verge of closing temporarily or permanently in the past two months across the U.S. Midwest state of Illinois, except for those in downtown Chicago, reopened Friday, though only for outdoor service and with restrictions. (Photo by George Pfoertner/Xinhua)

A customer waits outside a hair salon in Wilmette, Illinois, the United States, May 29, 2020. Thousands of restaurants and bars struggling on the verge of closing temporarily or permanently in the past two months across the U.S. Midwest state of Illinois, except for those in downtown Chicago, reopened Friday, though only for outdoor service and with restrictions. (Photo by George Pfoertner/Xinhua)

A bartender makes a drink at a bar in Winnetka, Illinois, the United States, May 29, 2020. Thousands of restaurants and bars struggling on the verge of closing temporarily or permanently in the past two months across the U.S. Midwest state of Illinois, except for those in downtown Chicago, reopened Friday, though only for outdoor service and with restrictions. (Photo by George Pfoertner/Xinhua)