People wear masks during COVID-19 pandemic in New York(1/7)

A Metropolitan Transportation Authority (MTA) worker (L) wearing a mask looks out of a train during the COVID-19 pandemic in New York, the United States, April 13, 2020. Governor of the U.S. state of New York Andrew Cuomo issued an executive order directing employers to provide essential workers with cloth or surgical masks to wear when they are directly interacting with the public last Sunday. (Photo by Michael Nagle/Xinhua)

A worker wearing a mask delivers packages during the COVID-19 pandemic in New York, the United States, April 13, 2020. Governor of the U.S. state of New York Andrew Cuomo issued an executive order directing employers to provide essential workers with cloth or surgical masks to wear when they are directly interacting with the public last Sunday. (Photo by Michael Nagle/Xinhua)

A United States Postal Service (USPS) worker (L) wearing a mask helps a customer behind a makeshift plastic divider at a USPS office during the COVID-19 pandemic in New York, the United States, April 13, 2020. Governor of the U.S. state of New York Andrew Cuomo issued an executive order directing employers to provide essential workers with cloth or surgical masks to wear when they are directly interacting with the public last Sunday. (Photo by Michael Nagle/Xinhua)

A worker wearing a mask delivers packages during the COVID-19 pandemic in New York, the United States, April 13, 2020. Governor of the U.S. state of New York Andrew Cuomo issued an executive order directing employers to provide essential workers with cloth or surgical masks to wear when they are directly interacting with the public last Sunday. (Photo by Michael Nagle/Xinhua)

A worker wearing a mask delivers packages during the COVID-19 pandemic in New York, the United States, April 13, 2020. Governor of the U.S. state of New York Andrew Cuomo issued an executive order directing employers to provide essential workers with cloth or surgical masks to wear when they are directly interacting with the public last Sunday. (Photo by Michael Nagle/Xinhua)

A United States Postal Service (USPS) worker wearing a mask delivers mails during the COVID-19 pandemic in New York, the United States, April 13, 2020. Governor of the U.S. state of New York Andrew Cuomo issued an executive order directing employers to provide essential workers with cloth or surgical masks to wear when they are directly interacting with the public last Sunday. (Photo by Michael Nagle/Xinhua)

A Metropolitan Transportation Authority (MTA) worker wearing a mask looks out of a train during the COVID-19 pandemic in New York, the United States, April 13, 2020. Governor of the U.S. state of New York Andrew Cuomo issued an executive order directing employers to provide essential workers with cloth or surgical masks to wear when they are directly interacting with the public last Sunday. (Photo by Michael Nagle/Xinhua)