People wearing personal protective equipment walk on Times Square in New York, the United States, June 25, 2020. The number of COVID-19 cases in the United States topped 2.4 million on Thursday, reaching 2,404,781 as of 3:34 p.m. (1934 GMT), according to the Center for Systems Science and Engineering at Johns Hopkins University. Meanwhile, the national death toll reached 122,370, according to the tally. (Photo by Michael Nagle/Xinhua)

A social distancing mark is displayed at a subway station in New York, the United States, June 25, 2020. The number of COVID-19 cases in the United States topped 2.4 million on Thursday, reaching 2,404,781 as of 3:34 p.m. (1934 GMT), according to the Center for Systems Science and Engineering at Johns Hopkins University. Meanwhile, the national death toll reached 122,370, according to the tally. (Photo by Michael Nagle/Xinhua)

People dine outside a restaurant in New York, the United States, June 25, 2020. The number of COVID-19 cases in the United States topped 2.4 million on Thursday, reaching 2,404,781 as of 3:34 p.m. (1934 GMT), according to the Center for Systems Science and Engineering at Johns Hopkins University. Meanwhile, the national death toll reached 122,370, according to the tally. (Photo by Michael Nagle/Xinhua)

People wearing face masks walk on Times Square in New York, the United States, June 25, 2020. The number of COVID-19 cases in the United States topped 2.4 million on Thursday, reaching 2,404,781 as of 3:34 p.m. (1934 GMT), according to the Center for Systems Science and Engineering at Johns Hopkins University. Meanwhile, the national death toll reached 122,370, according to the tally. (Photo by Michael Nagle/Xinhua)

Social distancing signs are displayed on electronic billboards on Times Square in New York, the United States, June 25, 2020. The number of COVID-19 cases in the United States topped 2.4 million on Thursday, reaching 2,404,781 as of 3:34 p.m. (1934 GMT), according to the Center for Systems Science and Engineering at Johns Hopkins University. Meanwhile, the national death toll reached 122,370, according to the tally. (Photo by Michael Nagle/Xinhua)

People dine outside a restaurant in New York, the United States, June 25, 2020. The number of COVID-19 cases in the United States topped 2.4 million on Thursday, reaching 2,404,781 as of 3:34 p.m. (1934 GMT), according to the Center for Systems Science and Engineering at Johns Hopkins University. Meanwhile, the national death toll reached 122,370, according to the tally. (Photo by Michael Nagle/Xinhua)