The Greyfriars Bobby statue is pictured wearing a mask as the spread of the coronavirus disease (COVID-19) continues, in Edinburgh, Scotland, Britain, March 23, 2020. (Photo by Russell Cheyne/Reuters)

A lady wearing a mask feeds pigeons in St James' Park, as the spread of the coronavirus disease (COVID-19) continues, London, Britain, April 5, 2020. (Photo by Henry Nicholls/Reuters)

A woman wears a mask with printed lips, amid the spread of the new coronavirus in Caracas, Venezuela, Thursday, April 30, 2020. (Photo by Ariana Cubillos/AP Photo)

Agriculture Secretary Sonny Perdue adjusts his mask before an event in the Roosevelt Room of the White House, Tuesday, May 19, 2020, in Washington. (Photo by Evan Vucci/AP Photo)

A resident brings his dog that uses a mask in Jakarta, Indonesia, on May 12, 2020. (Photo by Jefta Images/Barcroft Media via Getty Images)

A man wearing a mask looks on as he sells matresses in Manila, Philippines, January 8, 2020. (Photo by Willy Kurniawan/Reuters)

A masked reveller poses during the Venice Carnival in Venice, Italy February 17, 2017. (Photo by Alessandro Bianchi/Reuters)

A woman wearing a protective mask is seen behind a girl dressed in a Plague Doctor Mask in Western-Ukrainian city of Lviv, Ukraine, 22 March 2020. Ukrainian Designer Anastasia Markovska sewed protective masks looking like Plague Doctor Masks, the traditional costume of Venice Carnival, for herself and her friends due to the ongoing pandemic of the COVID-19 disease caused by the SARS-CoV-2 coronavirus. In Ukraine had been 47 laboratory-confirmed cases of COVID-19, including three deaths and one recovery as Ukraine's Health Ministry announced. (Photo by Pavlo Palamarchuk/EPA/EFE)