Students of medicine, acting as specialist staff, are accompanied by children who came with plush toys to be treated at The Teddy Bear Clinic (Clinique du Nounours), a facility that helps children to cope with their fear of medical examinations, in Brussels, Belgium March 7, 2023. REUTERS/Yves Herman 

A student of medicine, acting as specialist staff, is accompanied by a child who came with a plush toy to be treated at The Teddy Bear Clinic (Clinique du Nounours), a facility that helps children to cope with their fear of medical examinations, in Brussels, Belgium March 7, 2023. REUTERS/Yves Herman 

A student of medicine, acting as specialist staff, is accompanied by a child who came with a plush toy to be treated at The Teddy Bear Clinic (Clinique du Nounours), a facility that helps children to cope with their fear of medical examinations, in Brussels, Belgium March 7, 2023. REUTERS/Yves Herman 

A student of medicine, acting as specialist staff, is accompanied by a child who came with a plush toy to be treated at The Teddy Bear Clinic (Clinique du Nounours), a facility that helps children to cope with their fear of medical examinations, in Brussels, Belgium March 7, 2023. REUTERS/Yves Herman TPX IMAGES OF THE DAY 

A student of medicine, acting as specialist staff, is accompanied by a child who came with a plush toy to be treated at The Teddy Bear Clinic (Clinique du Nounours), a facility that helps children to cope with their fear of medical examinations, in Brussels, Belgium March 7, 2023. REUTERS/Yves Herman 

A student of medicine, acting as specialist staff, is accompanied by a child who came with a plush toy to be treated at The Teddy Bear Clinic (Clinique du Nounours), a facility that helps children to cope with their fear of medical examinations, in Brussels, Belgium March 7, 2023. REUTERS/Yves Herman 

A student of medicine, acting as specialist staff, is accompanied by a child who came with a plush toy to be treated at The Teddy Bear Clinic (Clinique du Nounours), a facility that helps children to cope with their fear of medical examinations, in Brussels, Belgium March 7, 2023. REUTERS/Yves Herman 

A view through the front window as a wounded Ukrainian service member is transported in an ambulance from a field hospital near the frontline of Bakhmut to a specialist trauma hospital in the city of Kramatorsk, during Russia's ongoing invasion of Ukraine, March 3, 2023. REUTERS/Lisi Niesner 

Paramedic Marjana, an intensive care medic of Pirogov First Volunteer Mobile Hospital (PFVMH), treats a wounded Ukrainian service member in an ambulance, transporting him from a field hospital near the frontline of Bakhmut to a specialist trauma hospital in the city of Kramatorsk, during Russia's ongoing invasion of Ukraine March 3, 2023. REUTERS/Lisi Niesner 

A wounded Ukrainian service member is transported in an ambulance from a field hospital near the frontline of Bakhmut to a specialist trauma hospital in the city of Kramatorsk, during Russia's ongoing invasion of Ukraine March 3, 2023. REUTERS/Lisi Niesner 

Paramedic Marjana, an intensive care medic of Pirogov First Volunteer Mobile Hospital (PFVMH), treats a wounded Ukrainian service member with a colleague in an ambulance, transporting him from a field hospital near the frontline of Bakhmut to a specialist trauma hospital in the city of Kramatorsk, during Russia's ongoing invasion of Ukraine March 3, 2023. REUTERS/Lisi Niesner 

Paramedic Marjana, an intensive care medic of Pirogov First Volunteer Mobile Hospital (PFVMH), prepares an IV shot for a wounded Ukrainian service member in an ambulance, transporting him from a field hospital near the frontline of Bakhmut to a specialist trauma hospital in the city of Kramatorsk, during Russia's ongoing invasion of Ukraine March 3, 2023. REUTERS/Lisi Niesner 

Paramedic Marjana, an intensive care medic of Pirogov First Volunteer Mobile Hospital (PFVMH), treats a wounded Ukrainian service member in an ambulance, transporting him from a field hospital near the frontline of Bakhmut to a specialist trauma hospital in the city of Kramatorsk, during Russia's ongoing invasion of Ukraine March 3, 2023. REUTERS/Lisi Niesner 

Paramedic Marjana, an intensive care medic of Pirogov First Volunteer Mobile Hospital (PFVMH), treats a wounded Ukrainian service member in an ambulance, transporting him from a field hospital near the frontline of Bakhmut to a specialist trauma hospital in the city of Kramatorsk, during Russia's ongoing invasion of Ukraine March 3, 2023. REUTERS/Lisi Niesner 

Paramedic Marjana, an intensive care medic of Pirogov First Volunteer Mobile Hospital (PFVMH), treats a wounded Ukrainian service member in an ambulance, transporting him from a field hospital near the frontline of Bakhmut to a specialist trauma hospital in the city of Kramatorsk, during Russia's ongoing invasion of Ukraine March 3, 2023. REUTERS/Lisi Niesner 

Deniz Gezer, Internal Medicine Specialist at Mersin City Hospital looks on at Mersin City hospital, in the aftermath of a deadly earthquake, in Turkey, February 15, 2023. REUTERS/Maxim Shemetov 

Britain's Queen Elizabeth presents the George Cross to representatives of the National Health Service Caroline Lamb, Chief Executive NHS Scotland, and Eleanor Grant, Palliative Care Nurse, Specialist University Hospital Wishaw, NHS Lanarkshire, during an audience at Windsor Castle, Windsor, Britain July 12, 2022. Aaron Chown/Pool via REUTERS 

Britain's Queen Elizabeth presents the George Cross to representatives of the National Health Service Caroline Lamb, Chief Executive NHS Scotland, and Eleanor Grant, Palliative Care Nurse, Specialist University Hospital Wishaw, NHS Lanarkshire, during an audience at Windsor Castle, Windsor, Britain July 12, 2022. Aaron Chown/Pool via REUTERS 

Sister Joanna Hogg, Royal Victoria Hospital Emergency Department, Peter May, Permanent Secretary at the Department of Health, May Parsons Modern Matron at University Hospital Coventry and Warkwickshire, Amanda Pritchard, Chief Executive NHS England, Queen Elizabeth II, the Prince of Wales, Caroline Lamb, Chief Executive NHS Scotland, Eleanor Grant, Palliative Car Nurse, Specialist University Hospital Wishaw, NHS Lanarkshire, Judith Paget CBE, Chief Executive NHS Wales and Dr Ami Jones MBE, Intensive Care Consultant, Aneurin Bevan University Health Board, pose to be photographed after an audience at Windsor Castle, Windsor, Britain July 12, 2022. Aaron Chown/Pool via REUTERS 

Spectators attend a concert for Russian army service members wounded during Ukraine-Russia conflict and medical specialists at a military hospital in Rostov-on-Don, Russia March 26, 2022. REUTERS/Sergey Pivovarov 

Majda Al-Riyani, a 29-year-old woman, works as a clinical nutrition specialist in a hospital in Benghazi, Libya, March 9, 2022. Picture taken March 9, 2022. REUTERS/Esam Omran Al-Fetori 

Britain's Prince Charles meets specialist staff during his visit to open the Grafton Way Building, University College Hospital's new flagship cancer and surgery building in London, Britain March 2, 2022. Jonathan Brady/Pool via REUTERS 

Medical specialists walk outside a hospital for patients infected with the coronavirus disease (COVID-19) on the outskirts of Moscow, Russia February 1, 2022. REUTERS/Maxim Shemetov 

Medical specialists walk in a hospital for patients infected with the coronavirus disease (COVID-19) on the outskirts of Moscow, Russia February 1, 2022. REUTERS/Maxim Shemetov 

A medical specialist works at the Clinical Emergency Hospital Number 7, where patients suffering from the coronavirus disease (COVID-19) are treated, in Volgograd, Russia January 26, 2022. REUTERS/Kirill Braga 

A medical specialist administers an injection to a patient suffering from the coronavirus disease (COVID-19) at the Clinical Emergency Hospital Number 7, in Volgograd, Russia January 26, 2022. REUTERS/Kirill Braga 

A medical specialist speaks to a patient at the Clinical Emergency Hospital Number 7, where people suffering from the coronavirus disease (COVID-19) are treated, in Volgograd, Russia January 26, 2022. REUTERS/Kirill Braga 

A patient suffering from the coronavirus disease (COVID-19) receives treatment at the Clinical Emergency Hospital Number 7, in Volgograd, Russia January 26, 2022. REUTERS/Kirill Braga 

A medical specialist walks through a corridor of the Clinical Emergency Hospital Number 7, where patients suffering from the coronavirus disease (COVID-19) are treated, in Volgograd, Russia January 26, 2022. REUTERS/Kirill Braga 

A patient stands in a corridor of the Clinical Emergency Hospital Number 7, where people suffering from the coronavirus disease (COVID-19) are treated, in Volgograd, Russia January 26, 2022. REUTERS/Kirill Braga 

Patients suffering from the coronavirus disease (COVID-19) are treated in the intensive care unit (ICU) of the Clinical Emergency Hospital Number 7, in Volgograd, Russia January 26, 2022. REUTERS/Kirill Braga 

A medical specialist tends to a patient suffering from the coronavirus disease (COVID-19) in the intensive care unit (ICU) of the Clinical Emergency Hospital Number 7, in Volgograd, Russia January 26, 2022. REUTERS/Kirill Braga 

A medical specialist tends to a patient suffering from the coronavirus disease (COVID-19) in the intensive care unit (ICU) of the Clinical Emergency Hospital Number 7, in Volgograd, Russia January 26, 2022. REUTERS/Kirill Braga 

Brayden Burton, 3, plays with child life specialist Maggie Kail, CCLS while being treated for coronavirus disease (COVID-19) at the Children's Hospital of Georgia in Augusta, Georgia, U.S., January 14, 2022. Brayden was born with Total Colonic Hirschsprung Disease and has received treatment from the Children's Hospital of Georgia since birth for his chronic condition. REUTERS/Hannah Beier 

Brayden Burton, 3, plays with child life specialist Maggie Kail, CCLS while being treated for the coronavirus disease (COVID-19) at the Children's Hospital of Georgia in Augusta, Georgia, U.S., January 14, 2022. Brayden was born with Total Colonic Hirschsprung Disease and has received treatment from the Children's Hospital of Georgia since birth for his chronic condition. REUTERS/Hannah Beier 

Sherri Curry, a QA production specialist for Armbrust American, packs surgical masks at the company's warehouse, in Pflugerville, Texas, U.S., January 12, 2022. REUTERS/Nuri Vallbona 

Medical specialists place the body of a person who died at the ICU unit for coronavirus disease (COVID-19) patients in a bag at a local hospital in the town of Kalach-on-Don in Volgograd Region, Russia November 14, 2021. REUTERS/Kirill Braga TPX IMAGES OF THE DAY 

A medical specialist tends to a patient suffering from the coronavirus disease (COVID-19) at a local hospital in the town of Kalach-on-Don in Volgograd Region, Russia November 14, 2021. REUTERS/Kirill Braga 

Medical specialists transport the body of a person who died at the ICU unit for coronavirus disease (COVID-19) patients of a local hospital in the town of Kalach-on-Don in Volgograd Region, Russia November 14, 2021. REUTERS/Kirill Braga 

A medical specialist tends to a patient suffering from the coronavirus disease (COVID-19) at a local hospital in the town of Kalach-on-Don in Volgograd Region, Russia November 14, 2021. REUTERS/Kirill Braga 

Medical specialists take care of a patient suffering from the coronavirus disease (COVID-19) at a hospital in the town of Ovruch, Zhytomyr region, Ukraine November 10, 2021. REUTERS/Gleb Garanich 

A medical specialist treats of a patient suffering from the coronavirus disease (COVID-19) at a hospital in the town of Ovruch, Zhytomyr region, Ukraine November 10, 2021. REUTERS/Gleb Garanich 

A medical specialist takes care of patients suffering from the coronavirus disease (COVID-19) at a hospital in the town of Ovruch, Zhytomyr region, Ukraine November 10, 2021. REUTERS/Gleb Garanich 

A medical specialist works at a hospital for patients infected with the coronavirus disease (COVID-19) in the town of Ovruch, Zhytomyr region, Ukraine November 10, 2021. REUTERS/Gleb Garanich 

Medical specialists take care of a patient suffering from the coronavirus disease (COVID-19) at a hospital in the town of Ovruch, Zhytomyr region, Ukraine November 10, 2021. REUTERS/Gleb Garanich 

A medical specialist speaks with a patient suffering from the coronavirus disease (COVID-19) at a hospital in the town of Ovruch, Zhytomyr region, Ukraine November 10, 2021. REUTERS/Gleb Garanich 

A medical specialist takes care of a patient suffering from the coronavirus disease (COVID-19) at a hospital in the town of Ovruch, Zhytomyr region, Ukraine November 10, 2021. REUTERS/Gleb Garanich 

Medical specialists take care of a patient suffering from the coronavirus disease (COVID-19) at a hospital in the town of Ovruch, Zhytomyr region, Ukraine November 10, 2021. REUTERS/Gleb Garanich 

A medical specialist takes care of a patient suffering from the coronavirus disease (COVID-19) at a hospital in the town of Ovruch, Zhytomyr region, Ukraine November 10, 2021. REUTERS/Gleb Garanich 

A medical specialist takes care of a patient suffering from the coronavirus disease (COVID-19) at a hospital in the town of Ovruch, Zhytomyr region, Ukraine November 10, 2021. REUTERS/Gleb Garanich 

A medical specialist works at a hospital for patients infected with the coronavirus disease (COVID-19) as a cat looks from outside a window in the town of Ovruch, Zhytomyr region, Ukraine November 10, 2021. REUTERS/Gleb Garanich 

FILE PHOTO: Medical specialists treat a patient suffering from the coronavirus disease (COVID-19) at the intensive care unit (ICU) of the City Clinical Hospital named after S.Botkin in Oryol, Russia October 26, 2021. REUTERS/Maxim Shemetov/File Photo 

A medical specialist assists a patient outside a hospital for people infected with coronavirus disease (COVID-19) in Kyiv, Ukraine November 1, 2021. REUTERS/Gleb Garanich 

A medical specialist attends to a patient suffering from the coronavirus disease (COVID-19) at the intensive care unit (ICU) of Toxicology and Sepsis clinic of the Riga East Clinical University Hospital in Riga, Latvia. Picture taken on October 29, 2021. REUTERS/Janis Laizans 

Medical specialists examine a patient suffering from the coronavirus disease (COVID-19) at the intensive care unit (ICU) of Toxicology and Sepsis clinic of the Riga East Clinical University Hospital in Riga, Latvia. Picture taken on October 29, 2021. REUTERS/Janis Laizans 

A medical specialist holds the hand of a patient suffering from the coronavirus disease (COVID-19) at the intensive care unit (ICU) of Toxicology and Sepsis clinic of the Riga East Clinical University Hospital in Riga, Latvia. Picture taken on October 29, 2021. REUTERS/Janis Laizans 

Medical specialists treat a patient suffering from the coronavirus disease (COVID-19) at the intensive care unit (ICU) of Toxicology and Sepsis clinic of the Riga East Clinical University Hospital in Riga, Latvia. Picture taken on October 29, 2021. REUTERS/Janis Laizans 

A medical specialist treats a patient suffering from the coronavirus disease (COVID-19) at the intensive care unit (ICU) of Toxicology and Sepsis clinic of the Riga East Clinical University Hospital in Riga, Latvia. Picture taken on October 29, 2021. REUTERS/Janis Laizans 

Medical specialists treat a patient suffering from the coronavirus disease (COVID-19) at the intensive care unit (ICU) of Toxicology and Sepsis clinic of the the Riga East Clinical University Hospital in Riga, Latvia. Picture taken on October 29, 2021. REUTERS/Janis Laizans 

A medical specialist treats patients in a ward at a regional clinical hospital's unit for people suffering from the coronavirus disease (COVID-19) in Tver, Russia October 28, 2021. REUTERS/Tatyana Makeyeva