A view of health workers at the Evangelical Medical Center Bunia, eastern Congo, Friday, July 3, 2026, where Ebola clinical trials are scheduled to place, (AP Photo/Dirole Lotsima Dieudonne)

A health worker stands at the Evangelical Medical Center, in Bunia, eastern Congo, Friday, July 3, 2026, where Ebola clinical trials are scheduled to take place. (AP Photo/Dirole Lotsima Dieudonne)

FILE - Medical staff carry an Ebola patient to a treatment center in Rwampara, Congo, Thursday, May 21, 2026. (AP Photo/Moses Sawasawa, file)

Posters of Khamenei are displayed along the main streets ahead of the funeral ceremony for Iran's former leader Ali Khamenei, who was killed in the U.S.-Israeli attacks in Najaf, Iraq, Tuesday, July 7, 2026. (AP Photo/Anmar Khalil)

In this photo released by Iran's Supreme Leader's office, mourners carry the coffin of the late Iranian Supreme Leader Ayatollah Ali Khamenei during funeral prayers held as part of the dayslong funeral ceremonies at the Holy Jamkaran Mosque in Qom, Iran, Tuesday, July 7, 2026. (Office of the Iranian Supreme Leader via AP)

A man holds a picture of the late Iranian Supreme Leader Ayatollah Ali Khamenei on the eve of funeral ceremonies in Karbala, Iraq, Tuesday, July 7, 2026, as the dayslong funeral ceremonies continue in Iraq with events in the Shiite holy cities of Karbala and Najaf. (AP Photo/Khalil Hamra)

Greece's Prime Minister Kyriakos Mitsotakis speaks as he arrives for the NATO summit in Ankara, Turkey, Wednesday, July 8, 2026. (AP Photo/Emrah Gurel)

Sweden's Prime Minister Ulf Kristersson speaks as he arrives for the NATO summit in Ankara, Turkey, Wednesday, July 8, 2026. (AP Photo/Emrah Gurel)