Viktor, a surgeon in a frontline medical stabilisation point, poses for a picture inside the operation room where medics treat war wounds, amid Russia's attack on Ukraine, near Vuhledar, Donetsk region, Ukraine, February 19, 2023. Describing the feeling of being unable to save a life, Viktor, a gynaecologist before the war, said: "It's the worst thing you can imagine." REUTERS/Marko Djurica SEARCH "DJURICA UKRAINE MEDICS" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. TPX IMAGES OF THE DAY 

Viktor, who is a surgeon at a frontline medical stabilisation point, reacts inside the operation room where medics treat war wounds, amid Russia's attack on Ukraine, near Vuhledar, Donetsk region, Ukraine, February 19, 2023. Describing the feeling of being unable to save a life, Viktor, a gynaecologist before the war, said: "It's the worst thing you can imagine." REUTERS/Marko Djurica SEARCH "DJURICA UKRAINE MEDICS" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. 

Ruslan, an intensive care surgeon in a frontline medical stabilisation point, poses for a picture inside the operation room where medics treat war wounds, amid Russia's attack on Ukraine, near Vuhledar, Donetsk region, Ukraine, February 19, 2023. Nearly a year into Russia's invasion, fighting now amounts to attritional duels of artillery and infantry assaults, with neither side making significant gains. The costs of that deadly grind are clear to the team of medics and nurses as it toils away, hemmed in by racks of medical supplies and portable heaters, at this stabilisation point in the Donetsk region where battles are fierce. REUTERS/Marko Djurica SEARCH "DJURICA UKRAINE MEDICS" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. 

Yuri, a general surgeon, poses for a picture in a frontline medical stabilisation point where medics treat war wounds, amid Russia's attack on Ukraine, near Vuhledar, Donetsk region, Ukraine, February 19, 2023. Nearly a year into Russia's invasion, fighting now amounts to attritional duels of artillery and infantry assaults, with neither side making significant gains. The costs of that deadly grind are clear to the team of medics and nurses as it toils away, hemmed in by racks of medical supplies and portable heaters, at this stabilisation point in the Donetsk region where battles are fierce. REUTERS/Marko Djurica SEARCH "DJURICA UKRAINE MEDICS" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. 

General surgeon Yuri assists a wounded Ukrainian soldier in the operation room of a frontline medical stabilisation point, amid Russia's attack on Ukraine, near Vuhledar, Donetsk region, Ukraine, February 19, 2023. Adrenaline helps keep the medical team going and enables them to cope with the almost constant flow of wounded soldiers, including some Russians who are later exchanged for Ukrainian prisoners. REUTERS/Marko Djurica SEARCH "DJURICA UKRAINE MEDICS" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. 

A skeleton with a Microsoft HoloLens 2 draws attention to the Abys Medical booth, designers of platform allowing for holographic assistance to surgeons during operations, during the CES Unveiled press event at CES 2023, an annual consumer electronics trade show, in Las Vegas, Nevada, U.S. January 3, 2023. REUTERS/Steve Marcus 

Florida Surgeon General Joseph A. Ladapo, MD, PhD. looks on with his wife and children before Florida's Governor Ron DeSantis takes the oath of office at his second term inauguration in Tallahassee, Florida, U.S. January 3, 2023. REUTERS/Octavio Jones 

Wounded serviceman Denys, 34, is attended by doctors and surgeons from the Ukrainian Army at a field medical clinic used to stabilize patients before they are sent to a nearby hospital, in the region of Donetsk, Ukraine, December 30, 2022. REUTERS/Clodagh Kilcoyne 

A surgeon from the Ukrainian Army attends to a wounded serviceman at a field medical clinic used to stabilize patients before they are sent to a nearby hospital, in the region of Donetsk, Ukraine, December 30, 2022. REUTERS/Clodagh Kilcoyne 

A surgeon from the Ukrainian Army attends to a wounded serviceman at a field medical clinic used to stabilize patients before they are sent to a nearby hospital, in the region of Donetsk, Ukraine, December 30, 2022. REUTERS/Clodagh Kilcoyne TPX IMAGES OF THE DAY 

Doctors and surgeons from the Ukrainian Army attend to a wounded serviceman at a field medical clinic used to stabilize patients before they are sent to a nearby hospital, in the region of Donetsk, Ukraine, December 30, 2022. REUTERS/Clodagh Kilcoyne 

Doctors and surgeons from the Ukrainian Army attend to wounded servicemen at a field medical clinic used to stabilize patients before they are sent to a nearby hospital, in the region of Donetsk, Ukraine, December 30, 2022. REUTERS/Clodagh Kilcoyne 

Doctors and surgeons from the Ukrainian Army attend to wounded servicemen at a field medical clinic used to stabilize patients before they are sent to a nearby hospital, in the region of Donetsk, Ukraine, December 30, 2022. REUTERS/Clodagh Kilcoyne 

Doctors and surgeons from the Ukrainian Army attend to wounded servicemen at a field medical clinic used to stabilize patients before they are sent to a nearby hospital, in the region of Donetsk, Ukraine, December 30, 2022. REUTERS/Clodagh Kilcoyne 

Doctors and surgeons from the Ukrainian Army attend to wounded servicemen at a field medical clinic used to stabilize patients before they are sent to a nearby hospital, in the region of Donetsk, Ukraine, December 30, 2022. REUTERS/Clodagh Kilcoyne 

Doctors and surgeons from the Ukrainian Army attend to wounded servicemen at a field medical clinic used to stabilize patients before they are sent to a nearby hospital, in the region of Donetsk, Ukraine, December 30, 2022. REUTERS/Clodagh Kilcoyne 

Doctors and surgeons from the Ukrainian Army attend to wounded servicemen at a field medical clinic used to stabilize patients before they are sent to a nearby hospital, in the region of Donetsk, Ukraine, December 30, 2022. REUTERS/Clodagh Kilcoyne 

Doctors and surgeons from the Ukrainian Army carry a wounded serviceman on a stretcher into a field medical clinic used to stabilize patients before they are sent to a nearby hospital, in the region of Donetsk, Ukraine, December 30, 2022. REUTERS/Clodagh Kilcoyne 

Doctors and surgeons from the Ukrainian Army attend to wounded servicemen at a field medical clinic used to stabilize patients before they are sent to a nearby hospital, in the region of Donetsk, Ukraine, December 30, 2022. REUTERS/Clodagh Kilcoyne 

Doctors and surgeons from the Ukrainian Army cover wounded serviceman Serhii, 33, who was shot in the feet by a sniper, at a field medical clinic used to stabilize patients before they are sent to a nearby hospital, in the region of Donetsk, Ukraine, December 30, 2022. According to Dr. Vasyl Sazanskiy, 34, "He gave himself first-aid treatment on his own. A sniper shot his feet. He put on a tourniquet himself, a compression bandage as well, and crawled two kilometers on his knees to reach his (unit's) positions. He was wounded yesterday evening". REUTERS/Clodagh Kilcoyne 

Doctors and surgeons from the Ukrainian Army attend to wounded serviceman Serhii, 33, who was shot in the feet by a sniper, into a field medical clinic used to stabilize patients before they are sent to a nearby hospital, in the region of Donetsk, Ukraine, December 30, 2022. According to Dr. Vasyl Sazanskiy, 34, "He gave himself first-aid treatment on his own. A sniper shot his feet. He put on a tourniquet himself, a compression bandage as well, and crawled two kilometers on his knees to reach his (unit's) positions. He was wounded yesterday evening". REUTERS/Clodagh Kilcoyne 

Doctors and surgeons from the Ukrainian Army attend to wounded serviceman Serhii, 33, who was shot in the feet by a sniper, into a field medical clinic used to stabilize patients before they are sent to a nearby hospital, in the region of Donetsk, Ukraine, December 30, 2022. According to Dr. Vasyl Sazanskiy, 34, "He gave himself first-aid treatment on his own. A sniper shot his feet. He put on a tourniquet himself, a compression bandage as well, and crawled two kilometers on his knees to reach his (unit's) positions. He was wounded yesterday evening". REUTERS/Clodagh Kilcoyne 

Doctors and surgeons from the Ukrainian Army attend to wounded serviceman Serhii, 33, who was shot in the feet by a sniper, into a field medical clinic used to stabilize patients before they are sent to a nearby hospital, in the region of Donetsk, Ukraine, December 30, 2022. According to Dr. Vasyl Sazanskiy, 34, "He gave himself first-aid treatment on his own. A sniper shot his feet. He put on a tourniquet himself, a compression bandage as well, and crawled two kilometers on his knees to reach his (unit's) positions. He was wounded yesterday evening". REUTERS/Clodagh Kilcoyne 

Doctors and surgeons from the Ukrainian Army carry wounded serviceman Serhii, 33, who was shot in the feet by a sniper, into a field medical clinic used to stabilize patients before they are sent to a nearby hospital, in the region of Donetsk, Ukraine, December 30, 2022. According to Dr. Vasyl Sazanskiy, 34, "He gave himself first-aid treatment on his own. A sniper shot his feet. He put on a tourniquet himself, a compression bandage as well, and crawled two kilometers on his knees to reach his (unit's) positions. He was wounded yesterday evening". REUTERS/Clodagh Kilcoyne 

Flight Surgeons from Johnson Space Center watch as NASA's Orion capsule makes its way towards the U.S.S. Portland (LPD 27) after being successfully secured by a NASA and U.S. Navy team, off the coast of Baja California, Mexico, 11 December 2022. CAROLINE BREHMAN/Pool via REUTERS 

Flight Surgeons from Johnson Space Center watch as NASA's Orion capsule makes its way towards the U.S.S. Portland (LPD 27) after being successfully secured by a NASA and U.S. Navy team, off the coast of Baja California, Mexico, 11 December 2022. CAROLINE BREHMAN/Pool via REUTERS 

A woman who previously underwent female genital mutilation (FGM), lies on the operation table, after a clitoral restorative surgery by gynaecological surgeon Dr. Marci Bowers, at a clinic in Nairobi, Kenya, November 17, 2022. REUTERS/Monicah Mwangi 

Gynaecological surgeon Dr. Marci Bowers leads a team of nurses as she performs a clitoral restorative surgery on a woman who previously underwent female genital mutilation (FGM), at a clinic in Nairobi, Kenya, November 17, 2022. REUTERS/Monicah Mwangi 

Nurses support gynaecological surgeon Dr. Marci Bowers as she performs a clitoral restorative surgery on a woman who previously underwent female genital mutilation (FGM), at a clinic in Nairobi, Kenya, November 17, 2022. REUTERS/Monicah Mwangi 

Gynaecological surgeon Dr. Marci Bowers leads a team of nurses as she performs a clitoral restorative surgery on a woman who previously underwent female genital mutilation (FGM), at a clinic in Nairobi, Kenya, November 17, 2022. REUTERS/Monicah Mwangi 

President of The Poppy Factory Surgeon Rear Admiral Lionel Jarvis accompanies Britain's Queen Camilla as she greets a woman at the Field of Remembrance at Westminster Abbey in London, Britain November 10, 2022. REUTERS/Henry Nicholls/Pool 

President of The Poppy Factory Surgeon Rear Admiral Lionel Jarvis accompanies Britain's Queen Camilla as she attends the Field of Remembrance at Westminster Abbey in London, Britain November 10, 2022. REUTERS/Henry Nicholls/Pool 

President of The Poppy Factory Surgeon Rear Admiral Lionel Jarvis and National President of the Royal British Legion Lt General James Bashall accompany Britain's Queen Camilla as she attends the Field of Remembrance at Westminster Abbey in London, Britain November 10, 2022. REUTERS/Henry Nicholls/Pool 

President of The Poppy Factory Surgeon Rear Admiral Lionel Jarvis and National President of the Royal British Legion Lt General James Bashall accompany Britain's Queen Camilla as she attends the Field of Remembrance at Westminster Abbey in London, Britain November 10, 2022. REUTERS/Henry Nicholls/Pool 

President of The Poppy Factory Surgeon Rear Admiral Lionel Jarvis and National President of the Royal British Legion Lt General James Bashall accompany Britain's Queen Camilla as she attends the Field of Remembrance at Westminster Abbey in London, Britain November 10, 2022. REUTERS/Henry Nicholls/Pool 

President of The Poppy Factory Surgeon Rear Admiral Lionel Jarvis and National President of the Royal British Legion Lt General James Bashall accompany Britain's Queen Camilla as she attends the Field of Remembrance at Westminster Abbey in London, Britain November 10, 2022. REUTERS/Henry Nicholls/Pool 

President of The Poppy Factory Surgeon Rear Admiral Lionel Jarvis accompanies Britain's Queen Camilla as she attends the Field of Remembrance at Westminster Abbey in London, Britain November 10, 2022. REUTERS/Henry Nicholls/Pool 

President of The Poppy Factory Surgeon Rear Admiral Lionel Jarvis accompanies Britain's Queen Camilla as she attends the Field of Remembrance at Westminster Abbey in London, Britain November 10, 2022. REUTERS/Henry Nicholls/Pool 

President of The Poppy Factory Surgeon Rear Admiral Lionel Jarvis accompanies Britain's Queen Camilla as she attends the Field of Remembrance at Westminster Abbey in London, Britain November 10, 2022. REUTERS/Henry Nicholls/Pool 

Chief Medical Advisor to the President Dr. Anthony Fauci, Surgeon General Dr. Vivek Murthy and Secretary of the Department of Health and Human Services Xavier Becerra stand nearby as U.S. President Joe Biden delivers remarks while launching a new plan for Americans to receive booster shots and vaccinations against the coronavirus disease (COVID-19), onstage in an auditorium on the White House campus in Washington, U.S. October 25, 2022. REUTERS/Jonathan Ernst 

White House COVID-19 Response Coordinator Ashish Jha, Chief Medical Advisor to the President Dr. Anthony Fauci, Surgeon General Dr. Vivek Murthy and Secretary of the Department of Health and Human Services Xavier Becerra joke with U.S. President Joe Biden before he received an updated coronavirus vaccine booster shot onstage in an auditorium on the White House campus in Washington, U.S. October 25, 2022. REUTERS/Jonathan Ernst 

Chief Medical Advisor to the President Dr. Anthony Fauci, Surgeon General Dr. Vivek Murthy and Secretary of the Department of Health and Human Services Xavier Becerra stand nearby as U.S. President Joe Biden delivers remarks while launching a new plan for Americans to receive booster shots and vaccinations against the coronavirus disease (COVID-19), onstage in an auditorium on the White House campus in Washington, U.S. October 25, 2022. REUTERS/Jonathan Ernst 

A nurse positions a robot called DaVinci, that performs delicate operations, for South African surgeons Dr Tim Forgan and Dr Imraan Mia at the Tygerberg hospital in Cape Town, South Africa, July 15, 2022. REUTERS/Shelley Christians 

South African surgeon Dr Tim Forgan uses a robot called DaVinci to perform delicate operations at the Tygerberg hospital in Cape Town, South Africa, July 15, 2022. REUTERS/Shelley Christians 

South African surgeons Dr Tim Forgan and Dr Imraan Mia use a robot called DaVinci to perform delicate operations at the Tygerberg hospital in Cape Town, South Africa, July 15, 2022. REUTERS/Shelley Christians 

South African surgeons Dr Tim Forgan and Dr Imraan Mia use a robot called DaVinci to perform delicate operations at the Tygerberg hospital in Cape Town, South Africa, July 15, 2022. REUTERS/Shelley Christians 

Britain's Prince Charles walks as he visits the Royal College of Surgeons in Edinburgh, Scotland, Britain, June 29, 2022. Jane Barlow/Pool via REUTERS 

Britain's Prince Charles views a sculpture dedicated to NHS workers who contributed during the pandemic, during his visit at the Royal College of Surgeons in Edinburgh, Scotland, Britain, June 29, 2022. Jane Barlow/Pool via REUTERS 

Britain's Prince Charles visits the Royal College of Surgeons in Edinburgh, Scotland, Britain, June 29, 2022. Jane Barlow/Pool via REUTERS 

Britain's Prince Charles visits the Royal College of Surgeons in Edinburgh, Scotland, Britain, June 29, 2022. Jane Barlow/Pool via REUTERS 

Britain's Prince Charles visits the Royal College of Surgeons in Edinburgh, Scotland, Britain, June 29, 2022. Jane Barlow/Pool via REUTERS 

Britain's Prince Charles visits the Royal College of Surgeons in Edinburgh, Scotland, Britain, June 29, 2022. Jane Barlow/Pool via REUTERS 

Britain's Prince Charles speaks with Michael Griffin, President of the Royal College of Surgeons of Edinburgh, during his visit, in Edinburgh, Scotland, Britain, June 29, 2022. Jane Barlow/Pool via REUTERS 

Britain's Prince Charles speaks with Michael Griffin, President of the Royal College of Surgeons of Edinburgh, during his visit, in Edinburgh, Scotland, Britain, June 29, 2022. Jane Barlow/Pool via REUTERS 

U.S. President Joe Biden, flanked by Secretary Xavier Becerra from U.S. Department of Health and Human Services, Surgeon General Vivek Murthy and Sameera Fazili, Deputy Assistant to the President and Deputy Director of the National Economic Council, speaks to journalists following holding a meeting with White House officials and baby formula manufacturers, as part of the U.S. response to the ongoing baby formula shortage, in an auditorium on the White House campus in Washington, U.S. June 1, 2022. REUTERS/Jonathan Ernst 

Dr. Richard Gilbert, an orthopaedic surgeon, testifies during the Depp vs Heard defamation trial at the Fairfax County Circuit Court in Fairfax, Virginia, U.S. May 26, 2022. Michael Reynolds/Pool via REUTERS 

Dr. Richard Gilbert, an orthopaedic surgeon, testifies during the Depp vs Heard defamation trial at the Fairfax County Circuit Court in Fairfax, Virginia, U.S. May 26, 2022. Michael Reynolds/Pool via REUTERS 

Dr. Richard Gilbert, an orthopaedic surgeon, testifies during the Depp vs Heard defamation trial at the Fairfax County Circuit Court in Fairfax, Virginia, U.S. May 26, 2022. Michael Reynolds/Pool via REUTERS 

First lady Jill Biden and U.S. Surgeon General Dr. Vivek Murthy meet with FedEx workers after the arrival of a second shipment of infant formula, brought to the United States under “Operation Fly Formula” in response to supply chain shortages, at Dulles International Airport, in Dulles, Virginia, U.S., May 25, 2022. REUTERS/Elizabeth Frantz 

First lady Jill Biden and U.S. Surgeon General Dr. Vivek Murthy meet with FedEx workers after the arrival of a second shipment of infant formula, brought to the United States under “Operation Fly Formula” in response to supply chain shortages, at Dulles International Airport, in Dulles, Virginia, U.S., May 25, 2022. REUTERS/Elizabeth Frantz