People queue up outside a Chinese visa application service center in Singapore March 15, 2023. REUTERS/Edgar Su 

People queue up outside a Chinese visa application service center in Singapore March 15, 2023. REUTERS/Edgar Su 

U.S. President Joe Biden is accompanied by U.S. Seret Service agents as he stops to have his picture taken while departing a healthcare event in Virginia Beach, Virginia, U.S., February 28, 2023. REUTERS/Leah Millis 

U.S. President Joe Biden is accompanied by U.S. Secret Service agents, as he arrives at Naval Air Station Oceana on a trip to tout his healthcare plan in Virginia Beach, Virginia, U.S., February 28, 2023. REUTERS/Leah Millis 

U.S. President Joe Biden is accompanied by a U.S. Secret Service agent while greeting people, as he arrives at Naval Air Station Oceana on a trip to tout his healthcare plan in Virginia Beach, Virginia, U.S., February 28, 2023. REUTERS/Leah Millis 

National Forest and Wild Fauna Service (SERFOR) personnel check on an otter that died, amidst rising cases bird flu infections, on Chepeconde beach, in Lima, Peru, February 22, 2023. REUTERS/Sebastian Castaneda 

National Forest and Wild Fauna Service (SERFOR) personnel check on an otter that died, amidst rising cases bird flu infections, on Chepeconde beach, in Lima, Peru, February 22, 2023. REUTERS/Sebastian Castaneda 

National Forest and Wild Fauna Service (SERFOR) personnel check on an otter that died, amidst rising cases bird flu infections, on Chepeconde beach, in Lima, Peru, February 22, 2023. REUTERS/Sebastian Castaneda 

National Forest and Wild Fauna Service (SERFOR) personnel check on an otter that died, amidst rising cases bird flu infections, on Chepeconde beach, in Lima, Peru, February 22, 2023. REUTERS/Sebastian Castaneda 

A member of National Forest and Wild Fauna Service (SERFOR) personnel checks an otter that died, amidst rising cases of bird flu infections, on Chepeconde beach, in Lima, Peru, February 22, 2023. REUTERS/Sebastian Castaneda TPX IMAGES OF THE DAY REFILE - QUALITY REPEAT 

SERFOR National Forest Service personnel observe a duck on Lobos beach, amidst rising cases of bird flu infections, in Lima, Peru February 22, 2023. REUTERS/Sebastian Castaneda 

National Forest and Wild Fauna Service (SERFOR) personnel check on a sea lion, amidst rising cases bird flu infections, on Chepeconde beach, in Lima, Peru, February 22, 2023. REUTERS/Sebastian Castaneda 

National Forest and Wild Fauna Service (SERFOR) personnel check on a sea lion, amidst rising cases bird flu infections, on Chepeconde beach, in Lima, Peru, February 22, 2023. REUTERS/Sebastian Castaneda 

National Forest and Wild Fauna Service (SERFOR) personnel check on an otter that died, amidst rising cases bird flu infections, on Chepeconde beach, in Lima, Peru, February 22, 2023. REUTERS/Sebastian Castaneda 

National Forest and Wild Fauna Service (SERFOR) personnel check on an otter that died, amidst rising cases bird flu infections, on Chepeconde beach, in Lima, Peru, February 22, 2023. REUTERS/Sebastian Castaneda 

National Forest and Wild Fauna Service (SERFOR) personnel check on an otter that died, amidst rising cases bird flu infections, on Chepeconde beach, in Lima, Peru, February 22, 2023. REUTERS/Sebastian Castaneda 

A National Forest and Wild Fauna Service (SERFOR) personnel checks on an otter that died, amidst rising cases bird flu infections, on Chepeconde beach, in Lima, Peru, February 22, 2023. REUTERS/Sebastian Castaneda 

A SERFOR National Forest Service personnel puts on personal protective equipment (PPE) at Chepeconde beach, where otters and sea lions infected with bird flu have been found in Lima, Peru February 22, 2023. REUTERS/Sebastian Castaneda 

A personnel from the National Forest and Wild Fauna Service (SERFOR) checks on a sea lion, amidst rising cases of bird flu infections, on Chepeconde beach, in Lima, Peru, February 22, 2023.REUTERS/Sebastian Castaneda 

SERFOR National Forest Service personnel check a dead otter amid bird flu infection on Chepeconde beach, south of the city of Lima, in Peru, February 22, 2023. REUTERS/Sebastian Castaneda 

SERFOR National Forest Service personnel check an otter that died of bird flu on Chepeconde beach, south of the city of Lima, in Peru on February 22, 2023. REUTERS/Sebastian Castaneda 

NHS Blood and Transplant embroidery seen on the uniform of a member of staff, following the announcement of the re-balloting voted in the long-running dispute over pay and staffing, in London, Britain, February 18, 2023. REUTERS/May James 

A woman walks inside the NHS Blood Donor Center, following the announcement of the re-balloting voted in the long-running dispute over pay and staffing, in London, Britain, February 18, 2023. REUTERS/May James 

An NHS Blood and Transplant sign hangs outside a Blood Donor Center, following the announcement of the re-balloting voted in the long-running dispute over pay and staffing, in London, Britain, February 18, 2023. REUTERS/May James 

An NHS Blood and Transplant sign is seen at the Blood Donor Center, following the announcement of the re-balloting voted in the long-running dispute over pay and staffing, in London, Britain, February 18, 2023. REUTERS/May James 

A member of staff brings donors to another entrance at an NHS Blood Donor Center, following the announcement of the re-balloting voted in the long-running dispute over pay and staffing, in London, Britain, February 18, 2023. REUTERS/May James 

An NHS Blood and Transplant sign hangs outside a Blood Donor Center, following the announcement of the re-balloting voted in the long-running dispute over pay and staffing, in London, Britain, February 18, 2023. REUTERS/May James 

A pedestrian passes an NHS Blood Donor Center, following the announcement of the re-balloting voted in the long-running dispute over pay and staffing, in London, Britain, February 18, 2023. REUTERS/May James 

A member of the staff stands inside a parked ambulance along a street, following the announcement of the re-balloting voted in the long-running dispute over pay and staffing, in London, Britain, February 18, 2023. REUTERS/May James 

The London Ambulance Service badge is seen on an ambulance, following the announcement of the re-balloting voted in the long-running dispute over pay and staffing, in London, Britain, February 18, 2023. REUTERS/May James 

A general view of NHS London Ambulance Service,following the announcement of the re-balloting voted in the long-running dispute over pay and staffing, in London, Britain, February 18, 2023. REUTERS/May James 

A view of ambulances parked along a street, following the announcement of the re-balloting voted in the long-running dispute over pay and staffing, in London, Britain, February 18, 2023. REUTERS/May James 

The NHS London Ambulance Service sign is seen on an ambulance, following the announcement of the re-balloting voted in the long-running dispute over pay and staffing, in London, Britain, February 18, 2023. REUTERS/May James 

A flag of London Ambulance Service waves in the sky, following the announcement of the re-balloting voted in the long-running dispute over pay and staffing, in London, Britain, February 18, 2023. REUTERS/May James 

Motorcycle Response Unit (MRU) waits for the traffic light next to the parked ambulances, following the announcement of the re-balloting voted in the long-running dispute over pay and staffing, in London, Britain, February 18, 2023. REUTERS/May James 

A view of NHS ambulances parked along a street, following the announcement of the re-balloting voted in the long-running dispute over pay and staffing, in London, Britain, February 18, 2023. REUTERS/May James 

Members of staff walk out of the London Ambulance Service, following the announcement of the re-balloting voted in the long-running dispute over pay and staffing, in London, Britain, February 18, 2023. REUTERS/May James 

Motorcycle Response Unit (MRU) passes NHS London Ambulance Service center, following the announcement of the re-balloting voted in the long-running dispute over pay and staffing, in London, Britain, February 18, 2023. REUTERS/May James 

A sign of NHS London Ambulance Service, following the announcement of the re-balloting voted in the long-running dispute over pay and staffing, in London, Britain, February 18, 2023. REUTERS/May James 

A worker from the Departmental Health Service (SEDES) fumigates a room in a house to stem the spread of dengue, in Caranavi, Bolivia, February 16, 2023. REUTERS/Claudia Morales 

A worker from the Departmental Health Service (SEDES) fumigates a room in a house to stem the spread of dengue, in Caranavi, Bolivia,February 16, 2023. REUTERS/Claudia Morales 

A worker from the Departmental Health Service (SEDES) fumigates the installations Office for the Defense of Childhood and Youth to stem the spread of dengue, in Caranavi, Bolivia February 16, 2023. REUTERS/Claudia Morales 

A worker from the Departmental Health Service (SEDES) fumigates the installations of the Office for the Defense of Childhood and Youth to stem the spread of dengue, in Caranavi, Bolivia, February 16, 2023. REUTERS/Claudia Morales 

A worker from the Departmental Health Service (SEDES) fumigates the installations of the Office for the Defense of Childhood and Youth to stem the spread of dengue, in Caranavi, Bolivia, February 16, 2023. REUTERS/Claudia Morales 

A worker from the Departmental Health Service (SEDES) fumigates the installations of the Office for the Defense of Childhood and Youth to stem the spread of dengue, in Caranavi, Bolivia February 16, 2023. REUTERS/Claudia Morales 

A worker from the Departmental Health Service (SEDES) fumigates a house to stem the spread of dengue, in Caranavi, Bolivia ,February 16, 2023. REUTERS/Claudia Morales 

Workers from the Departmental Health Service (SEDES) fumigate a house to stem the spread of dengue, in Caranavi, Bolivia, February 16, 2023. REUTERS/Claudia Morales 

A worker from the Departmental Health Service (SEDES) fumigates a house to stem the spread of dengue, in Caranavi, Bolivia, February 16, 2023. REUTERS/Claudia Morales 

A worker from the Departmental Health Service (SEDES) fumigates a house to stem the spread of dengue, in Caranavi, Bolivia, February 16, 2023. REUTERS/Claudia Morales 

A worker from the Departmental Health Service (SEDES) fumigates a house to stem the spread of dengue, in Caranavi, Bolivia, February 16, 2023. REUTERS/Claudia Morales 

U.S. Secret Service Office of Investigations Assistant Director David Smith takes part in the U.S. House Oversight Committee's hearing on "fraud and waste in federal pandemic spending" on Capitol Hill in Washington, U.S., February 1, 2023. REUTERS/Leah Millis 

U.S. Secret Service Office of Investigations Assistant Director David Smith takes part in the U.S. House Oversight Committee's hearing on "fraud and waste in federal pandemic spending" on Capitol Hill in Washington, U.S., February 1, 2023. REUTERS/Leah Millis 

British Prime Minister Rishi Sunak attends a meeting with doctors and clinicians, discussing mental health facilities and support under the National Health Service, during his visit to Berrywood Hospital in Northampton, Britain, January 23, 2023. REUTERS/Toby Melville/Pool 

British Prime Minister Rishi Sunak attends a meeting with doctors and clinicians, discussing mental health facilities and support under the National Health Service, during his visit to Berrywood Hospital in Northampton, Britain, January 23, 2023. REUTERS/Toby Melville/Pool 

British Prime Minister Rishi Sunak attends a meeting with doctors and clinicians, discussing mental health facilities and support under the National Health Service, during his visit to Berrywood Hospital in Northampton, Britain, January 23, 2023. REUTERS/Toby Melville/Pool TPX IMAGES OF THE DAY 

British Prime Minister Rishi Sunak attends a meeting with doctors and clinicians, discussing mental health facilities and support under the National Health Service, during his visit to Berrywood Hospital in Northampton, Britain, January 23, 2023. REUTERS/Toby Melville/Pool 

A worker checks passengers tickets at West Kowloon High-Speed Train Station Terminus on the first day of the resumption of rail service to mainland China, during the coronavirus disease (COVID-19) pandemic in Hong Kong, China, January 15, 2023. REUTERS/Tyrone Siu 

A passenger dressed as train driver poses for a picture at West Kowloon High-Speed Train Station Terminus on the first day of the resumption of rail service to mainland China, during the coronavirus disease (COVID-19) pandemic in Hong Kong, China, January 15, 2023. REUTERS/Tyrone Siu 

Passengers queue up to get their tickets checked at West Kowloon High-Speed Train Station Terminus on the first day of the resumption of the rail service to mainland China, during the coronavirus disease (COVID-19) pandemic in Hong Kong, China, January 15, 2023. REUTERS/Tyrone Siu 

A passenger arrives at West Kowloon High-Speed Train Station Terminus on the first day of the resumption of rail service to mainland China, during the coronavirus disease (COVID-19) pandemic in Hong Kong, China, January 15, 2023. REUTERS/Tyrone Siu