People lounge on the beach in Cocoa Beach, Florida, the United States, on May 28, 2020. The number of COVID-19 cases in the United States topped 1.7 million on Thursday, reaching 1,700,350 as of 9:32 a.m. (1332 GMT), according to a tally kept by the Center for Systems Science and Engineering (CSSE) at Johns Hopkins University. (Photo by Ting Shen/Xinhua)

A woman surfs in Cocoa Beach, Florida, the United States, on May 28, 2020. The number of COVID-19 cases in the United States topped 1.7 million on Thursday, reaching 1,700,350 as of 9:32 a.m. (1332 GMT), according to a tally kept by the Center for Systems Science and Engineering (CSSE) at Johns Hopkins University. (Photo by Ting Shen/Xinhua)

People swims near Cocoa Beach, Florida, the United States, on May 28, 2020. The number of COVID-19 cases in the United States topped 1.7 million on Thursday, reaching 1,700,350 as of 9:32 a.m. (1332 GMT), according to a tally kept by the Center for Systems Science and Engineering (CSSE) at Johns Hopkins University. (Photo by Ting Shen/Xinhua)

A woman rests on the beach in Cocoa Beach, Florida, the United States, on May 28, 2020. The number of COVID-19 cases in the United States topped 1.7 million on Thursday, reaching 1,700,350 as of 9:32 a.m. (1332 GMT), according to a tally kept by the Center for Systems Science and Engineering (CSSE) at Johns Hopkins University. (Photo by Ting Shen/Xinhua)

Restaurant staff members wearing face masks work on the Cocoa Beach pier in Cocoa Beach, Florida, the United States, on May 28, 2020. The number of COVID-19 cases in the United States topped 1.7 million on Thursday, reaching 1,700,350 as of 9:32 a.m. (1332 GMT), according to a tally kept by the Center for Systems Science and Engineering (CSSE) at Johns Hopkins University. (Photo by Ting Shen/Xinhua)

A man surfs in Cocoa Beach, Florida, the United States, on May 28, 2020. The number of COVID-19 cases in the United States topped 1.7 million on Thursday, reaching 1,700,350 as of 9:32 a.m. (1332 GMT), according to a tally kept by the Center for Systems Science and Engineering (CSSE) at Johns Hopkins University. (Photo by Ting Shen/Xinhua)

People lounge on the beach in Cocoa Beach, Florida, the United States, on May 28, 2020. The number of COVID-19 cases in the United States topped 1.7 million on Thursday, reaching 1,700,350 as of 9:32 a.m. (1332 GMT), according to a tally kept by the Center for Systems Science and Engineering (CSSE) at Johns Hopkins University. (Photo by Ting Shen/Xinhua)