Health care workers queue to receive a dose of Ervebo vaccine against the Ebola virus in Beni, North Kivu province, eastern Congo, Friday, Oct. 16, 2026. (AP Photo/Sebastien Kitsa Musayi)

Pope Leo XIV's personal secretaries, Monsignor Edgard Ivan Rimaycuna Inga, right, and Father Marco Billeri, hang a banner bearing the pontiff's coat of arms from a window overlooking St. Peter's Square at the Vatican ahead of his appearance for the Angelus prayer and traditional noon blessing, Sunday, Oct. 18, 2026, a day after he returned from the hospital, where he underwent surgery on Tuesday. (AP Photo/Gregorio Borgia)

Faithful gather in St. Peter's Square at the Vatican for the traditional noon blessing after praying the Angelus with Pope Leo XIV, Sunday, Oct. 18, 2026, a day after he returned from the hospital, where he had lung cancer removed on Tuesday. (AP Photo/Alessandra Tarantino)

Pope Leo XIV appears at the window of his study in the Apostolic Palace overlooking St. Peter's Square at the Vatican for the traditional noon blessing after praying the Angelus, Sunday, Oct. 18, 2026, a day after he returned from the hospital, where he had lung cancer removed on Tuesday. (AP Photo/Alessandra Tarantino)

A Ukrainian serviceman inspects a missile crater after a Russian air attack in central Kyiv, Ukraine, Monday, Oct. 19, 2026. (AP Photo/Efrem Lukatsky)

Employees examine the damage at a candy shop after a Russian missile strike in central Kyiv, Ukraine, Monday, Oct. 19, 2026. (AP Photo/Efrem Lukatsky)

People carry their belongings as they leave their office following Russian air attack in Kyiv, Ukraine, Monday, Oct. 19, 2026. (AP Photo/Efrem Lukatsky)

People look at damaged office center after a Russian missile attack in central Kyiv, Ukraine, Monday, Oct. 19, 2026. (AP Photo/Efrem Lukatsky)