A worker from cleaning company Dropless sanitises a London Black Cab as part of a service between taxi platform Gett and the NHS in south east London to ensure patients with COVID-19 symptoms can get to a local GP without using public transport as the spread of the coronavirus disease (COVID-19) continues, in London, Britain, April 23, 2020. REUTERS/Hannah Mckay

A worker from cleaning company Dropless looks on after sanitising a London Black Cab as part of a service between taxi platform Gett and the NHS in south east London to ensure patients with COVID-19 symptoms can get to a local GP without using public transport as the spread of the coronavirus disease (COVID-19) continues, in London, Britain, April 23, 2020. REUTERS/Hannah Mckay

A worker from cleaning company Dropless waits after sanitising a London Black Cab as part of a service between taxi platform Gett and the NHS in south east London to ensure patients with COVID-19 symptoms can get to a local GP without using public transport as the spread of the coronavirus disease (COVID-19) continues, in London, Britain, April 23, 2020. REUTERS/Hannah Mckay

Workers from cleaning company Dropless get ready to sanitise a London Black Cab as part of a service between taxi platform Gett and the NHS in south east London to ensure patients with COVID-19 symptoms can get to a local GP without using public transport as the spread of the coronavirus disease (COVID-19) continues, in London, Britain, April 23, 2020. REUTERS/Hannah Mckay

Workers from cleaning company Dropless wait to sanitise a London Black Cab as part of a service between taxi platform Gett and the NHS in south east London to ensure patients with COVID-19 symptoms can get to a local GP without using public transport as the spread of the coronavirus disease (COVID-19) continues, in London, Britain, April 23, 2020. REUTERS/Hannah Mckay

A worker from cleaning company Dropless disinfects a London Black Cab as part of a service between taxi platform Gett and the NHS in south east London to ensure patients with COVID-19 symptoms can get to a local GP without using public transport as the spread of the coronavirus disease (COVID-19) continues, in London, Britain, April 23, 2020. REUTERS/Hannah Mckay

A worker from cleaning company Dropless disinfects a London Black Cab as part of a service between taxi platform Gett and the NHS in south east London to ensure patients with COVID-19 symptoms can get to a local GP without using public transport as the spread of the coronavirus disease (COVID-19) continues, in London, Britain, April 23, 2020. REUTERS/Hannah Mckay

A man places a notice sign on a London Back Cab after cleaning company Dropless sanitised it as part of a service between taxi platform Gett and the NHS in south east London to ensure patients with COVID-19 symptoms can get to a local GP without using public transport as the spread of the coronavirus disease (COVID-19) continues, in London, Britain, April 23, 2020. REUTERS/Hannah Mckay

A worker from cleaning company Dropless disinfects a London Black Cab as part of a service between taxi platform Gett and the NHS in south east London to ensure patients with COVID-19 symptoms can get to a local GP without using public transport as the spread of the coronavirus disease (COVID-19) continues, in London, Britain, April 23, 2020. REUTERS/Hannah Mckay

A worker from cleaning company Dropless disinfects a London Black Cab as part of a service between taxi platform Gett and the NHS in south east London to ensure patients with COVID-19 symptoms can get to a local GP without using public transport as the spread of the coronavirus disease (COVID-19) continues, in London, Britain, April 23, 2020. REUTERS/Hannah Mckay TPX IMAGES OF THE DAY

Workers from cleaning company Dropless disinfect a London Black Cab as part of a service between taxi platform Gett and the NHS in south east London to ensure patients with COVID-19 symptoms can get to a local GP without using public transport as the spread of the coronavirus disease (COVID-19) continues, in London, Britain, April 23, 2020. REUTERS/Hannah Mckay

A shopper waits for a taxi cab outside of a Whole Foods, following reports that multiple employees tested positive for the coronavirus disease (COVID-19) at the Logan Circle Whole Foods Market grocery store, in Washington, U.S., April 16, 2020. REUTERS/Tom Brenner

A member of the U.S. Army National Guard speaks with a taxi cab driver as they distribute boxes of free food provided by multiple New York City agencies, during the outbreak of the coronavirus disease (COVID19) in the Harlem neighborhood of Manhattan in New York City, U.S., April 15, 2020. REUTERS/Bryan R Smith

Taxi cabs wait for fares next to an empty taxi stand at Union Station, normally a busy commuter and travel hub before the coronavirus disease (COVID-19) response, near the U.S. Capitol in Washington, U.S., March 18, 2020. REUTERS/Jonathan Ernst

A taxi driver wearing a protective mask stands by his cab after hundreds of them were flagged down by authorities as the government suspends mass transportation to implement an "enhanced community quarantine" in the country’s main island Luzon to contain the coronavirus, in Makati City, Metro Manila, Philippines, March 17, 2020. REUTERS/Eloisa Lopez

The feet of a taxi driver sleeping is pictured after hundreds of cabs were flagged down by authorities as the government suspends mass transportation to implement an "enhanced community quarantine" in the country’s main island Luzon to contain the coronavirus, in Quezon City, Metro Manila, Philippines, March 17, 2020. REUTERS/Eloisa Lopez

Taxi cabs drive past bicycles of the bike sharing system Citi Bike in New York, U.S., March 3, 2020. Picture taken March 3, 2020. REUTERS/Gleb Garanich

Taxi cabs drive past bicycles of the bike sharing system Citi Bike in New York, U.S., March 3, 2020. Picture taken March 3, 2020. REUTERS/Gleb Garanich

Yellow taxi cab driver Martin Oseseyi uses disinfectant wipes while cleaning his cab amid the coronavirus outbreak in midtown Manhattan in New York City, New York, U.S., March 4, 2020. REUTERS/Hussein Waaile

Yellow taxi cab driver Martin Oseseyi shows a can of disinfectant while cleaning his cab amid the coronavirus outbreak in midtown Manhattan in New York City, New York, U.S., March 4, 2020. REUTERS/Hussein Waaile

Francesco Seminario, a taxi driver, wears a protective mask while sanitising his cab, as the business has faced losses in the country since the coronavirus outbreak, in Milan, Italy February 28, 2020. REUTERS/Yara Nardi

A taxi driver wears a protective mask in his cab, as the business has faced losses in the country since the coronavirus outbreak, in Milan, Italy February 28, 2020. REUTERS/Yara Nardi TPX IMAGES OF THE DAY

Lev Parnas, the indicted associate of U.S. President Donald Trump's personal lawyer Rudy Giuliani, enters a taxi cab to leave Capitol Hill after attempting to meet with U.S. Senators and attempting to attend the impeachment trial of President Donald Trump in Washington, U.S., January 29, 2020. REUTERS/Brendan McDermid

A taxi cab passenger looks out of the driver side window while passing through Times Square, following the Veterans Day Parade in Manhattan, New York, U.S., November 11, 2019. Picture taken November 11, 2019. REUTERS/Tom Brenner

A taxi cab passenger looks out of the window while passing through Times Square, following the Veterans Day Parade in Manhattan, New York, U.S., November 11, 2019. REUTERS/Tom Brenner

A taxi cab passenger looks out of the window while passing through Times Square, following the Veterans Day Parade in Manhattan, New York, U.S., November 11, 2019. REUTERS/Tom Brenner

A taxi cab passenger looks out of the driver side window while passing through Times Square, following the Veterans Day Parade in Manhattan, New York, U.S., November 11, 2019. REUTERS/Tom Brenner TPX IMAGES OF THE DAY

A taxi drives through the street decorated with lights ahead of Tihar festival, also called Diwali, the Hindu festival of lights, in Kathmandu, Nepal October 22, 2019. REUTERS/Navesh Chitrakar

A taxi cab passes a woman wearing a kimono at a street crossing in Tokyo, Japan October 17, 2019. Japan is hosting the Rugby World Cup and will also host the Olympic Games in 2020. REUTERS/Kevin Coombs

Taxi cabs drive past the Evolution Tower of the Moscow International Business Centre, also known as "Moskva-City", in Moscow, Russia October 25, 2018. REUTERS/Shamil Zhumatov

A traditional London taxi drives along a road, where the fallen autumn leaves have made a pattern, in central London, Britain, October 13, 2018. REUTERS/Henry Nicholls

Female taxi driver Diana I., 39, poses with a cab on a street in Vienna, Austria, October 8, 2018. REUTERS/Lisi Niesner

Female taxi driver Diana I., 39, poses with a cab on a street in Vienna, Austria, October 8, 2018. REUTERS/Lisi Niesner

Model Madeline Stuart sits in the back of a taxi cab after walking in a runway show during New York Fashion Week in New York City, U.S., September 9, 2018. REUTERS/Andrew Kelly SEARCH "MODEL MADELINE" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. TPX IMAGES OF THE DAY. THE IMAGES SHOULD ONLY BE USED TOGETHER WITH THE STORY - NO STAND-ALONE USES

Model Madeline Stuart, who has Down's syndrome, celebrates after stepping out of a taxi cab as she arrives for New York Fashion Week in New York City, U.S., September 5, 2018. REUTERS/Andrew Kelly SEARCH "MODEL MADELINE" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. THE IMAGES SHOULD ONLY BE USED TOGETHER WITH THE STORY - NO STAND-ALONE USES

Model Madeline Stuart, who has Down's syndrome, sits with her mother and manager Rosanne Stuart (L) in the back of a taxi cab as they travel from John F. Kennedy International Airport to their hotel for New York Fashion Week in New York, U.S., September 5, 2018. REUTERS/Andrew Kelly SEARCH "MODEL MADELINE" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. THE IMAGES SHOULD ONLY BE USED TOGETHER WITH THE STORY - NO STAND-ALONE USES

A German customs officer stops a taxi during a raid looking for illegal workers in restaurants, at constructions sites and in the logistics sector in Cologne, Germany September 11, 2018. REUTERS/Wolfgang Rattay

A German customs officer makes notes during a raid, looking for illegal workers, at a taxi stand in Cologne, Germany September 11, 2018. REUTERS/Wolfgang Rattay

An electric version of the London taxi cab build by London EV Company (LEVC) is seen during a presentation in Berlin, Germany, July 5, 2018. REUTERS/Axel Schmidt

An electric version of the London taxi cab build by London EV Company (LEVC) is seen during a presentation in Berlin, Germany, July 5, 2018. REUTERS/Axel Schmidt

Carl-Peter Forster, Chairman of London EV Company (LEVC) is seen during a presentation of an electric version of the London taxi cab in Berlin, Germany, July 5, 2018. REUTERS/Axel Schmidt

Chris Gubbey, CEO of London EV Company (LEVC) is seen during a presentation of an electric version of the London taxi cab in Berlin, Germany, July 5, 2018. REUTERS/Axel Schmidt

A taxi driver digs his cab out of snow in Coalville, Britain March 18, 2018. REUTERS/Darren Staples

A model wearing a bridal gown emerges from a taxi cab in Times Square in New York City, New York, U.S., March 8, 2018. REUTERS/Amr Alfiky

A model wearing a bridal gown emerges from a taxi cab in Times Square in New York City, New York, U.S., March 8, 2018. REUTERS/Mike Segar

A woman is seen in a taxi cab as snow falls in Times Square in Manhattan in New York City, New York, U.S., March 7, 2018. REUTERS/Amr Alfiky

Taxi cabs line up outside LaGuardia Airport following multiple flight cancellations during a winter nor'easter in Queens, New York, U.S., March 2, 2018. REUTERS/Amr Alfiky

An Uber taxi and a black cab are driven away from New Street Railway Station in Birmingham, Britain February 5, 2018. REUTERS/Darren Staples

An Uber taxi and a black cab wait outside a hotel in Birmingham, Britain February 5, 2018. REUTERS/Darren Staples

An Uber taxi is driven past black cabs waiting outside New Street Railway Station in Birmingham, Britain February 5, 2018. REUTERS/Darren Staples

People cross 6th Avenue and 42nd Street as a cold weather front hits the region, in Manhattan, New York, U.S., December 30, 2017. REUTERS/Eduardo Munoz TPX IMAGES OF THE DAY

A taxi sign on top of an electric cab belonging to the London Electric Vehicle Company (LEVC) is seen in London, Britain, November 29, 2017. REUTERS/Darrin Zammit Lupi

Taxi driver Rene Almeida speaks to relatives living in the United States on a video call inside his cab at an internet hotspot in Havana, Cuba, September 24, 2017. The dome light is on to provide better lighting for the video call. REUTERS/Alexandre Meneghini SEARCH "MENEGHINI INTERNET" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.

Officials investigate the the scene where a taxi cab (L) crashed into a group of bystanders at the taxi pool at Logan International Airport in Boston, Massachusetts, U.S., July 3, 2017. REUTERS/Brian Snyder

Shoes and water bottles are on a table at the scene where a taxi cab crashed into a group of bystanders at the taxi pool at Logan International Airport in Boston, Massachusetts, U.S., July 3, 2017. REUTERS/Brian Snyder

Yellow tape surrounds the scene where a taxi cab crashed into a group of bystanders at the taxi pool at Logan International Airport in Boston, Massachusetts, U.S., July 3, 2017. REUTERS/Brian Snyder

A Massachusetts State Police officer walks past the scene where a taxi cab crashed into a group of bystanders at the taxi pool at Logan International Airport in Boston, Massachusetts, U.S., July 3, 2017. REUTERS/Brian Snyder

Yellow tape surrounds the scene where a taxi cab crashed into a group of bystanders at the taxi pool at Logan International Airport in Boston, Massachusetts, U.S., July 3, 2017. REUTERS/Brian Snyder

Yellow tape surrounds the scene where a taxi cab crashed into a group of bystanders at the taxi pool at Logan International Airport in Boston, Massachusetts, U.S., July 3, 2017. REUTERS/Brian Snyder

A Massachusetts State Police officer walks past the scene where a taxi cab crashed into a group of bystanders at the taxi pool at Logan International Airport in Boston, Massachusetts, U.S., July 3, 2017. REUTERS/Brian Snyder TPX IMAGES OF THE DAY