U.S. Vice President Kamala Harris waves before delivering remarks during her visit to the Children's National Hospital to draw attention to mental health awareness month, in Washington, U.S., May 23, 2022. REUTERS/Leah Millis 

U.S. Vice President Kamala Harris delivers remarks during her visit to the Children's National Hospital to draw attention to mental health awareness month, in Washington, U.S., May 23, 2022. REUTERS/Leah Millis 

U.S. Vice President Kamala Harris delivers remarks during her visit to the Children's National Hospital to draw attention to mental health awareness month, in Washington, U.S., May 23, 2022. REUTERS/Leah Millis 

U.S. Surgeon General Vivek Murthy listens as Vice President Kamala Harris delivers remarks during a visit to the Children's National Hospital to draw attention to mental health awareness month, in Washington, U.S., May 23, 2022. REUTERS/Leah Millis 

U.S. Vice President Kamala Harris delivers remarks during her visit to the Children's National Hospital to draw attention to mental health awareness month, in Washington, U.S., May 23, 2022. REUTERS/Leah Millis 

U.S. Vice President Kamala Harris delivers remarks during her visit to the Children's National Hospital to draw attention to mental health awareness month, in Washington, U.S., May 23, 2022. REUTERS/Leah Millis 

U.S. Vice President Kamala Harris greets staff members as she visits Children's National Hospital to draw attention to mental health awareness month, in Washington, U.S., May 23, 2022. REUTERS/Leah Millis 

U.S. Vice President Kamala Harris visits Children's National Hospital to draw attention to mental health awareness month, in Washington, U.S., May 23, 2022. REUTERS/Leah Millis 

U.S. Vice President Kamala Harris greets a girl she met in the hallway during a visit to the Children's National Hospital to draw attention to mental health awareness month, in Washington, U.S., May 23, 2022. REUTERS/Leah Millis 

U.S. Vice President Kamala Harris greets a girl she met in the hallway during a visit to the Children's National Hospital to draw attention to mental health awareness month, in Washington, U.S., May 23, 2022. REUTERS/Leah Millis 

U.S. Vice President Kamala Harris reacts as she greets a girl she met in the hallway during a visit to the Children's National Hospital to draw attention to mental health awareness month, in Washington, U.S., May 23, 2022. REUTERS/Leah Millis 

U.S. Vice President Kamala Harris visits Children's National Hospital to draw attention to mental health awareness month, in Washington, U.S., May 23, 2022. REUTERS/Leah Millis 

U.S. Vice President Kamala Harris gestures as she visits Children's National Hospital to draw attention to mental health awareness month, in Washington, U.S., May 23, 2022. REUTERS/Leah Millis 

U.S. Vice President Kamala Harris gestures as she speaks to members of the media during her visit to the Children's National Hospital to draw attention to mental health awareness month, in Washington, U.S., May 23, 2022. REUTERS/Leah Millis 

U.S. Vice President Kamala Harris waves as she visits Children's National Hospital to draw attention to mental health awareness month, in Washington, U.S., May 23, 2022. REUTERS/Leah Millis 

An army paramedic runs for cover as a shelling can be heard in the near proximity of a hospital, amid Russia's invasion in Bakhmut, in the Donetsk region, Ukraine, May 23, 2022. Picture taken with a slow shutter speed. REUTERS/Carlos Barria 

A paramedic waits inside a shelter as a shelling can be heard in the near proximity of a hospital, amid Russia's invasion in Bakhmut, in the Donetsk region, Ukraine, May 23, 2022. REUTERS/Carlos Barria 

A paramedic waits inside a shelter as a shelling can be heard in the near proximity of a hospital, amid Russia's invasion in Bakhmut, in the Donetsk region, Ukraine, May 23, 2022. REUTERS/Carlos Barria 

A paramedic waits inside a shelter as a shelling can be heard in the near proximity of a hospital, amid Russia's invasion in Bakhmut, in the Donetsk region, Ukraine, May 23, 2022. REUTERS/Carlos Barria TPX IMAGES OF THE DAY 

Paramedics wait inside a shelter as a shelling can be heard in the near proximity of a hospital, amid Russia's invasion in Bakhmut, in the Donetsk region, Ukraine, May 23, 2022. REUTERS/Carlos Barria 

A dog is seen at a stairway as a shelling can be heard in the near proximity of a hospital, amid Russia's invasion in Bakhmut, in the Donetsk region, Ukraine, May 23, 2022. REUTERS/Carlos Barria 

Members of security personnel stand on a cargo ship carrying essential supplies of rice, milk and some critically needed medicines from India, amid Sri Lanka's economic crisis, at a port in Colombo, Sri Lanka, May 22, 2022. Picture taken on May 22, 2022. REUTERS/Adnan Abidi 

Essential supplies of rice, milk and some critically needed medicines are pictured inside a cargo ship, which arrived from India, amid Sri Lanka's economic crisis, at a port in Colombo, Sri Lanka, May 22, 2022. Picture taken May 22, 2022. REUTERS/Adnan Abidi 

U.S. first lady Jill Biden speaks at the National Children's Hospital of Costa Rica in San Jose, Costa Rica, May 22, 2022. Erin Schaff/Pool via REUTERS 

U.S. first lady Jill Biden speaks at the National Children's Hospital of Costa Rica in San Jose, Costa Rica, May 22, 2022. Erin Schaff/Pool via REUTERS 

U.S. first lady Jill Biden arrives to speak at the National Children's Hospital of Costa Rica in San Jose, Costa Rica, May 22, 2022. Erin Schaff/Pool via REUTERS 

U.S. first lady Jill Biden arrives to speak at the National Children's Hospital of Costa Rica in San Jose, Costa Rica, May 22, 2022. Erin Schaff/Pool via REUTERS 

U.S. first lady Jill Biden speaks at the National Children's Hospital of Costa Rica in San Jose, Costa Rica, May 22, 2022. Erin Schaff/Pool via REUTERS 

Hospital health workers use their phones to record a protest organized by students near the President's House, amid the country's economic crisis, in Colombo, Sri Lanka, May 19, 2022. REUTERS/Adnan Abidi 

Signage for Massachusetts General Hospital, where a patient is being treated for monkeypox, is pictured on a fence at the hospital in Boston, Massachusetts, U.S., May 19, 2022. REUTERS/Brian Snyder 

People walk past a sign at the entrance to Massachusetts General Hospital, where a patient is being treated for monkeypox, in Boston, Massachusetts, U.S., May 19, 2022. REUTERS/Brian Snyder 

Marta Vigara looks at her hospital documents following an interview with Reuters at her home, in Madrid, Spain, May 16, 2022. REUTERS/Isabel Infantes 

The Latin Patriarch of Jerusalem Pierbattista Pizzaballa speaks to journalists following a press conference regarding the funeral of Al Jazeera reporter Shireen Abu Akleh, who was killed during an Israeli raid in Jenin in the occupied West Bank, in Jerusalem, May 16, 2022. REUTERS/Ronen Zvulun 

People receive oxygen at a hospital during a sandstorm in Baghdad, Iraq, May 16, 2022. REUTERS/Ahmed Saad 

People receive oxygen at a hospital during a sandstorm in Baghdad, Iraq, May 16, 2022. REUTERS/Ahmed Saad 

A man uses an oxygen mask at a hospital during a sandstorm in Baghdad, Iraq, May 16, 2022. REUTERS/Ahmed Saad 

Spiritual leaders attend a news conference regarding the funeral of Al Jazeera reporter Shireen Abu Akleh, who was killed during an Israeli raid in Jenin in the occupied West Bank, in Jerusalem, May 16, 2022. REUTERS/Ronen Zvulun 

Spiritual leaders attend a news conference regarding the funeral of Al Jazeera reporter Shireen Abu Akleh, who was killed during an Israeli raid in Jenin in the occupied West Bank, in Jerusalem, May 16, 2022. REUTERS/Ronen Zvulun 

A doctor attends to Ahmad al-Hababi, 15, who suffers head injuries due to a car accident, at a hospital in Sanaa, Yemen May 14, 2022. Picture taken May 14, 2022. REUTERS/Khaled Abdullah 

A doctor attends to Ahmad al-Hababi, 15, who suffers head injuries due to a car accident, at a hospital in Sanaa, Yemen May 14, 2022. Picture taken May 14, 2022. REUTERS/Khaled Abdullah 

Brother of Ahmad al-Hababi, 15, who suffers head injuries due to a car accident, looks at him, as he lies on a hospital bed in Sanaa, Yemen May 14, 2022. Picture taken May 14, 2022. REUTERS/Khaled Abdullah 

Ahmad al-Hababi, 15, who suffers head injuries due to a car accident, lies on a hospital bed in Sanaa, Yemen May 14, 2022. Picture taken May 14, 2022. REUTERS/Khaled Abdullah 

The father and brother of Ahmad al-Hababi, 15, who suffers head injuries due to a car accident, look as a nurse attends to him at a hospital in Sanaa, Yemen May 14, 2022. Picture taken May 14, 2022. REUTERS/Khaled Abdullah 

A doctor checks medical documents of Ahmad al-Hababi, 15, who suffers head injuries due to a car accident, at a hospital in Sanaa, Yemen May 14, 2022. Picture taken May 14, 2022. REUTERS/Khaled Abdullah 

A nurse attends to Ahmad al-Hababi, 15, who suffers head injuries due to a car accident, at a hospital in Sanaa, Yemen May 14, 2022. Picture taken May 14, 2022. REUTERS/Khaled Abdullah 

A doctor attends to Ahmad al-Hababi, 15, who suffers head injuries due to a car accident, at a hospital in Sanaa, Yemen May 14, 2022. Picture taken May 14, 2022. REUTERS/Khaled Abdullah 

A relative of a victim who died in the fire that broke out in a commercial building, breaks down at a hospital in New Delhi, India, May 14, 2022. REUTERS/Anushree Fadnavis 

Doctors prepare a wounded Ukrainian soldier for surgery in a hospital, amid Russia's invasion, in Zaporizhzhia, Ukraine May 11, 2022. REUTERS/Gleb Garanich 

A wounded Ukrainian soldier is seen after a surgery in a hospital, amid Russia's invasion, in Zaporizhzhia, Ukraine May 11, 2022. REUTERS/Gleb Garanich 

Nurses move a wounded Ukrainian soldier after a surgery at a hospital, amid Russia's invasion, in Zaporizhzhia, Ukraine May 11, 2022. REUTERS/Gleb Garanich 

A nurse speaks with a wounded Ukrainian soldier after a surgery at a hospital, amid Russia's invasion, in Zaporizhzhia, Ukraine May 11, 2022. REUTERS/Gleb Garanich 

A wounded Ukrainian soldier waits for surgery in a hospital, amid Russia's invasion, in Zaporizhzhia, Ukraine May 11, 2022. REUTERS/Gleb Garanich TPX IMAGES OF THE DAY 

A wounded Ukrainian soldier waits for surgery in a hospital, amid Russia's invasion, in Zaporizhzhia, Ukraine May 11, 2022. REUTERS/Gleb Garanich 

The body of Al Jazeera reporter Shireen Abu Akleh is carried on a stretcher at a hospital following an Israeli raid, in Jenin in the Israeli-occupied West Bank May 11, 2022. REUTERS/Mohamad Torokman 

A cameraman reacts while at a hospital following the killing of Al Jazeera reporter Shireen Abu Akleh, during an Israeli raid, in Jenin in the Israeli-occupied West Bank May 11, 2022. REUTERS/Mohamad Torokman 

Ukrainian soldiers ride on an armoured vehicle heading to the front line, amid Russia's invasion in Ukraine, in Bakhmut, Donetsk region, Ukraine, May 8, 2022. REUTERS/Jorge Silva SEARCH "SILVA UKRAINE HOSPITAL" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. 

Muhammad Saad, a blind Saudi man, shows how he interacts with apps on his smart phone as he works at the King Khaled Eye Hospital in Riyadh, Saudi Arabia, May 8, 2022. Picture taken May 8, 2022. REUTERS/Ahmed Yosri 

Muhammad Saad, a blind Saudi man, shows how he interacts with apps on his smart phone as he works at the King Khaled Eye Hospital in Riyadh, Saudi Arabia, May 8, 2022. Picture taken May 8, 2022. REUTERS/Ahmed Yosri 

Muhammad Saad, a blind Saudi man, shows how he interacts with apps on his smart phone as he works at the King Khaled Eye Hospital in Riyadh, Saudi Arabia, May 8, 2022. Picture taken May 8, 2022. REUTERS/Ahmed Yosri