From left, U.S. Ambassador to NATO Matthew Whitaker, U.S. Undersecretary of Defense Elbridge Colby and NATO Secretary General Mark Rutte walk together after addressing the media at NATO headquarters in Brussels, Thursday, Aug. 27, 2026. (AP Photo/Virginia Mayo)

In this photo released by UNICEF, workers unload doses of Ebola (Zaire) vaccines from a plane at Ndjili International Airport in Kinshasa, Congo, Friday, Aug. 21, 2026. (Ndomba Mbikayi/UNICEF via AP)

In this photo released by UNICEF, workers unload doses of Ebola (Zaire) vaccines from a plane at Ndjili International Airport in Kinshasa, Congo, Friday, Aug. 21, 2026. (Ndomba Mbikayi/UNICEF via AP)

In this photo released by UNICEF, officials inspect doses of Ebola (Zaire) vaccines upon arrival at Ndjili International Airport in Kinshasa, Congo, Friday, Aug. 21, 2026. (Ndomba Mbikayi/UNICEF via AP)

Congo’s Health Minister Roger Kamba administers an Ebola vaccine to a health care worker in Kisangani, Congo, Thursday, Aug. 27, 2026. (AP Photo/Samy Kamanga)

Nepalese policemen watch as earthmovers clear the debris of flash flooding in Nepal's Nuwakot district, Thursday, Aug. 27, 2026. (AP Photo/Niranjan Shrestha)

Rescuers use an earthmover to carry a victim of flash flooding to safety along the Trishuli River in Nepal's Nuwakot district, Wednesday, Aug. 26, 2026. (AP Photo/Niranjan Shrestha)

A boy looks at the devastation caused by flash flooding along the Trishuli River in Nepal's Nuwakot district, Wednesday, Aug. 26, 2026. (AP Photo/Niranjan Shrestha)