A medical team member sprays disinfectant on a person who is infected with the coronavirus disease (COVID-19), at a Hospital in the holy city of Najaf, Iraq February 25, 2021. Picture taken February 25, 2021. REUTERS/Alaa Al-Marjani

A vehicle carrying the coffin of a man who, according to his relatives, died of the coronavirus disease (COVID-19), at a hospital in the holy city of Najaf, Iraq February 25, 2021. Picture taken February 25, 2021. REUTERS/Alaa Al-Marjani

A worker collects garbage from a hospital of patients infected with the coronavirus disease (COVID-19), to be burnt, in the holy city of Najaf, Iraq February 25, 2021. Picture taken February 25, 2021. REUTERS/Alaa Al-Marjani

A man who is infected with the coronavirus disease (COVID-19) is seen through a glass window of the quarantine ward at a Hospital in the holy city of Najaf, Iraq February 25, 2021. Picture taken February 25, 2021. REUTERS/Alaa Al-Marjani

A child who is infected with the coronavirus disease (COVID-19) lies at a bed next to her mother in the quarantine ward at a Hospital in the holy city of Najaf, Iraq February 25, 2021. Picture taken February 25, 2021. REUTERS/Alaa Al-Marjani

A girl who is infected with the coronavirus disease (COVID-19) is seen at the quarantine ward at a Hospital in the holy city of Najaf, Iraq February 25, 2021. Picture taken February 25, 2021. REUTERS/Alaa Al-Marjani

People infected with the coronavirus disease (COVID-19) are see through a glass window of the quarantine ward at a Hospital in the holy city of Najaf, Iraq February 25, 2021. Picture taken February 25, 2021. REUTERS/Alaa Al-Marjani

People infected with the coronavirus disease (COVID-19) are pictured at the quarantine ward at a Hospital in the holy city of Najaf, Iraq February 25, 2021. Picture taken February 25, 2021. REUTERS/Alaa Al-Marjani

A medical team member, checks on a woman infected with the coronavirus disease (COVID-19), at the quarantine ward at a Hospital in the holy city of Najaf, Iraq February 25, 2021. Picture taken February 25, 2021. REUTERS/Alaa Al-Marjani

A medical team member, checks on a woman infected with the coronavirus disease (COVID-19), at the quarantine ward at a Hospital in the holy city of Najaf, Iraq February 25, 2021. Picture taken February 25, 2021. REUTERS/Alaa Al-Marjani

Thanoun Yahya, a 59 year-old an Iraqi Christian from the city of Mosul, stands at Al-Bishara church in Mosul, Iraq February 22, 2021. Picture taken February 22, 2021. REUTERS/Thaier al-Sudani

Thanoun Yahya, an Iraqi Christian is seen near his home which he reclaimed when Islamic State militants was driven out, in Mosul, Iraq February 21, 2021. Picture taken February 21, 2021. REUTERS/Thaier al-Sudani

Thanoun Yahya, an Iraqi Christian sits with his wife at his home which he reclaimed when Islamic State militants was driven out, in Mosul, Iraq February 21, 2021. Picture taken February 21, 2021. REUTERS/Thaier al-Sudani

A view shows the Christian town of Hamdaniya, Iraq February 25, 2021. Picture taken February 25, 2021. REUTERS/Thaier al-Sudani

Thanoun Yahya's wife, an Iraqi Christian from the city of Mosul, prepares food in Mosul, Iraq February 21, 2021. Picture taken February 21, 2021. REUTERS/Thaier al-Sudani

Thanoun Yahya, an Iraqi Christian sits with his wife and his son at his home which he reclaimed when Islamic State militants was driven out, in Mosul, Iraq February 21, 2021. Picture taken February 21, 2021. REUTERS/Thaier al-Sudani

Thanoun Yahya, a 59 year-old an Iraqi Christian from the city of Mosul is seen at al-Bishara church in Mosul, Iraq February 22, 2021. Picture taken February 22, 2021. REUTERS/Thaier al-Sudani

An aerial view shows the city of Mosul, Iraq February 22, 2021. Picture taken February 22, 2021. Picture taken with a drone. REUTERS/Abdullah Rashid

Christian militia and Policemen stand near a gate of a Christian town of Hamdaniya, Iraq Iraq February 25, 2021. Picture taken February 16, 2021. REUTERS/Thaier al-Sudani

Thanoun Yahya, a 59 year-old an Iraqi Christian from the city of Mosul walks at Al-Bishara church in Mosul, Iraq February 22, 2021. Picture taken February 22, 2021. REUTERS/Thaier al-Sudani

Thanoun Yahya, an Iraqi Christian talks with his Muslim neighbors near his home which he reclaimed when Islamic State militants was driven out, in Mosul, Iraq February 21, 2021. Picture taken February 21, 2021. REUTERS/Thaier al-Sudani

Thanoun Yahya, an Iraqi Christian is seen at his home which he reclaimed when Islamic State militants was driven out, in Mosul, Iraq February 21, 2021. Picture taken February 21, 2021. REUTERS/Thaier al-Sudani

A view shows the Christian town of Hamdaniya, Iraq February 16, 2021. Picture taken February 16, 2021. REUTERS/Thaier al-Sudani

Thanoun Yahya's wife, an Iraqi Christian from the city of Mosul, prepares food in Mosul, Iraq February 21, 2021. Picture taken February 21, 2021. REUTERS/Thaier al-Sudani

Thanoun Yahya, an Iraqi Christian eats food with his wife and his son at his home which he reclaimed when Islamic State militants was driven out, in Mosul, Iraq February 21, 2021. Picture taken February 21, 2021. REUTERS/Thaier al-Sudani

A view shows the Christian town of Hamdaniya, Iraq February 16, 2021. Picture taken February 16, 2021. REUTERS/Thaier al-Sudani

An aerial view shows the city of Mosul, Iraq February 22, 2021. Picture taken February 22, 2021. Picture taken with a drone. REUTERS/Abdullah Rashid

Thanoun Yahya, an Iraqi Christian sits with his wife and his son at his home which he reclaimed when Islamic State militants was driven out, in Mosul, Iraq February 21, 2021. Picture taken February 21, 2021. REUTERS/Thaier al-Sudani

Christian militia check a vehicle at a gate of Christian town of Hamdaniya, Iraq February 23, 2021. Picture taken February 23, 2021. REUTERS/Thaier al-Sudani

A view shows the Christian town of Hamdaniya, Iraq February 25, 2021. Picture taken February 25, 2021. REUTERS/Thaier al-Sudani

Christians volunteers hold Iraqi and Vatican flags as they decorate streets ahead of the planned visit of Pope Francis, in Qaraqosh, Iraq February 22, 2021. Picture taken February 22, 2021. REUTERS/Thaier al-Sudani

Christians volunteers hold Iraqi and Vatican flags as they decorate streets ahead of the planned visit of Pope Francis, in Qaraqosh, Iraq February 22, 2021. Picture taken February 22, 2021. REUTERS/Thaier al-Sudani

Christians register their names to attend a planned mass held by Pope Francis during his upcoming visit to Iraq, at the Catholic University in Erbil, Iraq February 19, 2021. Picture taken February 19, 2021. REUTERS/Thaier al-Sudani

Christian volunteers practice the hymns that will be played during the mass to be held by Pope Francis during his planned visit to Iraq, in Erbil, Iraq February 23, 2021. Picture taken February 23, 2021. REUTERS/Charlotte Bruneau

Choir members practice at St. Joseph Chaldean Cathedral, where Pope Francis will hold a mass, ahead of his planned visit to Iraq, in Baghdad, Iraq February 23, 2021. Picture taken February 23, 2021. REUTERS/Khalid al-Mousily

Workers are seen at St. Joseph Chaldean Cathedral, where Pope Francis will held a mass upon his upcoming visit to Iraq, in Baghdad, Iraq February 23, 2021. Picture taken February 23, 2021. REUTERS/Khalid al-Mousily

A woman looks at the Bible at St. Joseph Chaldean Cathedral, where Pope Francis will hold a mass, ahead of his planned visit to Iraq, in Baghdad, Iraq February 23, 2021. Picture taken February 23, 2021. REUTERS/Khalid al-Mousily

Workers repair a damaged street near the Grand Immaculate Church, ahead of the planned visit of Pope Francis to Iraq, in Qaraqosh, Iraq February 22, 2021. Picture taken February 22, 2021. REUTERS/Thaier al-Sudani

Christians register their names to attend a planned mass held by Pope Francis during his upcoming visit to Iraq, at the Catholic University in Erbil, Iraq February 19, 2021. Picture taken February 19, 2021. REUTERS/Thaier al-Sudani

Christians volunteers decorate streets with the pictures of Pope Francis, ahead of his planned visit to to Iraq, in Qaraqosh, Iraq February 22, 2021. Picture taken February 22, 2021. REUTERS/Thaier al-Sudani

An Iraqi soldier walks past the entrance of St. Joseph Chaldean Cathedral, where Pope Francis will hold a mass, ahead of his planned visit to Iraq, in Baghdad, Iraq February 23, 2021. Picture taken February 23, 2021. REUTERS/Khalid al-Mousily

A man is seen outside the St. Joseph Chaldean Cathedral, where Pope Francis will hold a mass, ahead of his planned visit to Iraq, in Baghdad, Iraq February 23, 2021. Picture taken February 23, 2021. REUTERS/Khalid al-Mousily

A christian volunteer decorates streets with the pictures of Pope Francis, ahead of his planned visit to to Iraq, in Qaraqosh, Iraq February 22, 2021. Picture taken February 22, 2021. REUTERS/Thaier al-Sudani

A nun prepares a religious clothing at St. Joseph Chaldean Cathedral, where Pope Francis will hold a mass, ahead of his planned visit to Iraq, in Baghdad, Iraq February 23, 2021. Picture taken February 23, 2021. REUTERS/Khalid al-Mousily

Iraqi defendant Ahmad Abdulaziz Abdullah Abdullah, known as Abu Walaa, accused of being "IS' representative in Germany" arrives in a courtroom in Celle, Germany, February 24, 2021. Julian Stratenschulte/Pool via REUTERS

Iraqi defendant Ahmad Abdulaziz Abdullah Abdullah, known as Abu Walaa, accused of being "IS' representative in Germany" arrives in a courtroom in Celle, Germany, February 24, 2021. Julian Stratenschulte/Pool via REUTERS

Iraqi defendant Ahmad Abdulaziz Abdullah Abdullah, known as Abu Walaa, accused of being "IS' representative in Germany" arrives in a courtroom in Celle, Germany, February 24, 2021. Julian Stratenschulte/Pool via REUTERS

Iraqi defendant Ahmad Abdulaziz Abdullah Abdullah, known as Abu Walaa, accused of being "IS' representative in Germany" arrives in a courtroom in Celle, Germany, February 24, 2021. Julian Stratenschulte/Pool via REUTERS

Iraqi defendant Ahmad Abdulaziz Abdullah Abdullah, known as Abu Walaa, accused of being "IS' representative in Germany" arrives in a courtroom in Celle, Germany, February 24, 2021. Julian Stratenschulte/Pool via REUTERS

Iraqi defendant Ahmad Abdulaziz Abdullah Abdullah, known as Abu Walaa, accused of being "IS' representative in Germany" arrives in a courtroom in Celle, Germany, February 24, 2021. Julian Stratenschulte/Pool via REUTERS

Iraqi defendant Ahmad Abdulaziz Abdullah Abdullah, known as Abu Walaa, accused of being "IS' representative in Germany" greets his lawyer Thomas Koll through a glas pane as he arrives in a courtroom in Celle, Germany, February 24, 2021. Julian Stratenschulte/Pool via REUTERS

Iraqi defendant Ahmad Abdulaziz Abdullah Abdullah, known as Abu Walaa, accused of being "IS' representative in Germany" arrives in a courtroom in Celle, Germany, February 24, 2021. Julian Stratenschulte/Pool via REUTERS

Iraqi defendant Ahmad Abdulaziz Abdullah Abdullah, known as Abu Walaa, accused of being "IS' representative in Germany" arrives in a courtroom in Celle, Germany, February 24, 2021. Julian Stratenschulte/Pool via REUTERS

Iraqi defendant Ahmad Abdulaziz Abdullah Abdullah, known as Abu Walaa, accused of being "IS' representative in Germany" knocks on a glas pane as he arrives in a courtroom in Celle, Germany, February 24, 2021. Julian Stratenschulte/Pool via REUTERS

Iraqi defendant Ahmad Abdulaziz Abdullah Abdullah, known as Abu Walaa, accused of being "IS' representative in Germany" arrives in a courtroom in Celle, Germany, February 24, 2021. Julian Stratenschulte/Pool via REUTERS

Iraqi Christians wear protective face masks, amid the outbreak of the coronavirus disease (COVID-19), during a mass at a Church in Baghdad, Iraq February 22, 2021. REUTERS/Teba Sadiq

A man gives Christians hand sanitizer, amid the outbreak of the coronavirus disease (COVID-19), before they enter a Church in Baghdad, Iraq February 22, 2021. REUTERS/Teba Sadiq

Iraqi Christians wearing protective face masks leave a Church after a mass, amid the outbreak of the coronavirus disease (COVID-19), in Baghdad, Iraq February 22, 2021. REUTERS/Teba Sadiq

Iraqi Christians wear protective face masks, amid the outbreak of the coronavirus disease (COVID-19), as they attend a mass at a Church in Baghdad, Iraq February 22, 2021. REUTERS/Teba Sadiq

A mural of Pope Francis is seen on the wall of a church upon his upcoming visit to Iraq, in Baghdad, Iraq February 22, 2021. REUTERS/Teba Sadiq