A nurse attends to a COVID-19 patient that is wearing a CPAP helmet while he is moved out of the Intensive Care Unit (ICU) of the Pope John XXIII Hospital on April 7, 2020 in Bergamo, Italy.  (Photo by Marco Di Lauro/Getty Images)

Chinese workers and health officials wear protective white suits as travellers from Wuhan gather to take buses as they are processed and taken to do 14 days of quarantine, after arriving on the first trains to Beijing on April 8, 2020 in Beijing, China. (Photo by Kevin Frayer/Getty Images)

Health workers conduct mass COVID-19 screening and testing on May 28, 2020 in Benoni, South Africa. (Photo by Gallo Images/OJ Koloti)

Health workers test for COVID-19 at a mobile testing centre at Springfield Informal Centre in Umgeni on April 29, 2020 in Durban, South Africa. Gallo Images

A commuter wearing a protective face mask walks through a sanitation tunnel at the Rea-Vaya Thokoza Park bus station in the Soweto district of Johannesburg, South Africa, on Thursday, May 14, 2020. Photographer: Waldo Swiegers/Bloomberg via Getty Images

Mark and Shireen Nicholson with help from family and friends feed more than 200 children and adults daily during lockdown in Lavender Hill on April 17, 2020 in Cape Town, South Africa.  (Photo by Gallo Images/Brenton Geach)

In an aerial view by drone, new social distancing circles are shown at Dolores Park on May 20, 2020 in San Francisco, California.  (Photo by Justin Sullivan/Getty Images)

A couple hug in the subway station in on June 7, 2020 in Wuhan,Hubei Province,China.(Photo by Getty Images)

Residents of an apartment building observe from a window a juggler, member of the artistic group Cirk La Putyka, while performing to entertain residents as the spread of the coronavirus disease (COVID-19) continues on April 14, 2020 in Prague, Czech Republic.  (Photo by Gabriel Kuchta/Getty Images)

A Southwest Airlines flight takes off as United Airlines planes sit parked on a runway at Denver International Airport as the coronavirus pandemic slows air travel on April 22, 2020 in Denver, Colorado.  (Photo by Michael Ciaglo/Getty Images)

Firefighters prepare to conduct disinfection at the Wuhan Tianhe International Airport on April 3, 2020 in Wuhan, Hubei Province, China.  (Photo by Getty Images)

A young girl paints a picture of herself on the school window as children of key workers take part in school activities at Oldfield Brow Primary School on April 08, 2020 in Altrincham, England. (Photo by Christopher Furlong/Getty Images)

A woman plays a violin on a balcony on April 09, 2020 in Seville, Spain. Due to the COVID-19 outbreak in Spain, traditional Easter celebrations will not be able to take place as planned. (Photo by Marcelo del Pozo/Getty Images)

A sign in Hackney is displayed on April 11, 2020 in London, England. The Coronavirus (COVID-19) pandemic has spread to many countries across the world, claiming over 100,000 lives and infecting over 1. 7 million people. (Photo by Julian Finney/Getty Images)

People on their balconies applauding to pay tribute to healthcare workers struggling to fight the coronavirus pandemic on April 18, 2020 in Madrid, Spain. (Photo by Carlos Alvarez/Getty Images)

Local residents follow the courtyard concert “neigbour for neighbour” watching from a windows and balconies of buildings during the ongoing coronavirus (Covid-19) pandemic on May 29, 2020 in Berlin, Germany.  (Photo by Maja Hitij/Getty Images)

A mural to honor the medics currently helping to fight COVID-19 is seen on April 22, 2020 in Melbourne, Australia. (Photo by Robert Cianflone/Getty Images)

A police officer looks on from a raised viewing platform on Oxford Street as non-essential stores re-open for the first time since the nationwide lockdown came into force, on June 16, 2020 in London, United Kingdom.  (Photo by Dan Kitwood/Getty Images)

A basket with toys hangs from a balcony with a sign that says ‘For those who want. Everything will be fine’ on May 07, 2020 in Madrid, Spain. (Photo by Carlos Alvarez/Getty Images)

Concepcio Zendrera, 100 tries to touch the hands of her son, daughters and relatives during a visit through a window at La Mallola nursing home on May 19, 2020 in Esplugues del Llobregat, near Barcelona, Spain.  (Photo by David Ramos/Getty Images)

Michelle Grant (R) hugs her mother, Mary Grace Sileo through a plastic drop cloth hung up on a homemade clothesline during Memorial Day Weekend on May 24, 2020 in Wantagh, New York.  (Photo by Al Bello/Getty Images)

Petros the pelican roams through the Little Venice neighborhood freely amid a delayed tourist season on May 26, 2020 in Mykonos, Greece.  (Photo by Byron Smith/Getty Images)

A woman with ‘BLM’ written on her cheek poses for a picture during a demonstration on May 31, 2020 in Atlanta, Georgia.  (Photo by Elijah Nouvelage/Getty Images)

A demonstrator hugs a member of the National Guard during a march in response to George Floyd’s death on June 2, 2020 in Los Angeles, California. Floyd died while in Minneapolis police custody on May 25.  (Photo by Brent Stirton/Getty Images)

Demonstrators march down Pennsylvania Avenue near the Trump International Hotel during a protest against police brutality and the death of George Floyd, on June 3, 2020 in Washington, DC.  (Photo by Tasos Katopodis/Getty Images)

A protester wears a shirt with the words ‘I cant Breathe’ on June 06, 2020 in Melbourne, Australia.  (Photo by Darrian Traynor/Getty Images)

A demonstrator raises their fist as a fire burns in the street after clashes with law enforcement near the Seattle Police Departments East Precinct shortly after midnight on June 8, 2020 in Seattle, Washington.  (Photo by David Ryder/Getty Images)

Demonstrators gather to mourn the death of George Floyd during a vigil at Catalunya Square on June 04, 2020 in Barcelona, Spain.(Photo by David Ramos/Getty Images)

US President Donald Trump catches a baseball thrown by former New York Yankees Hall of Fame pitcher Mariano Rivera on the South Lawn of the White House on July 23, 2020 in Washington, DC. (Photo by Drew Angerer/Getty Images)

In this handout image provided by NASA, NASA astronauts Robert Behnken (L) and Douglas Hurley are seen inside the SpaceX Crew Dragon capsule spacecraft which landed in the Gulf of Mexico after completing the Demo-2 mission to the International Space Station on August 2, 2020 off the coast of Pensacola, Florida.  (Photo by Bill Ingalls/NASA via Getty Images)