Doctor Hans Henri P. Kluge, WHO Regional Director for Europe, left, and Doctor Jarno Habicht, WHO Representative in Ukraine speak to the media during a press conference in Kyiv, Ukraine, Thursday Sept. 12, 2024. (AP Photo/Evgeniy Maloletka)

Doctor Hans Henri P. Kluge, WHO Regional Director for Europe, speaks to media during a press conference in Kyiv, Ukraine, Thursday Sept. 12, 2024. (AP Photo/Evgeniy Maloletka)

Doctor Hans Henri P. Kluge, WHO Regional Director for Europe speaks to media during a press conference in Kyiv, Ukraine, Thursday Sept. 12, 2024. (AP Photo/Evgeniy Maloletka)

Doctor Hans Henri P. Kluge, WHO Regional Director for Europe, reads notes before a press conference in Kyiv, Ukraine, Thursday Sept. 12, 2024. (AP Photo/Evgeniy Maloletka)

Image released by the Police of the Donetsk Region that shows a police officer looking at a burning Red Cross vehicle that was destroyed in a Russian strike in the Donetsk region on Thursday Sept. 12, 2024. (Police of the Donetsk Region via AP)

Doctor Jarno Habicht, WHO Representative in Ukraine speaks to the media during a press conference in Kyiv, Ukraine, Thursday Sept. 12, 2024. (AP Photo/Evgeniy Maloletka)

Doctor Hans Henri P. Kluge, WHO Regional Director for Europe, left, attends a press conference in Kyiv, Ukraine, Thursday Sept. 12, 2024. (AP Photo/Evgeniy Maloletka)

Doctor Hans Henri P. Kluge, WHO Regional Director for Europe speaks to the media during a press conference in Kyiv, Ukraine, Thursday Sept. 12, 2024. (AP Photo/Evgeniy Maloletka)

Image released by the Police of the Donetsk Region that shows a burning Red Cross vehicle that was destroyed in a Russian strike in the Donetsk region on Thursday Sept. 12, 2024. (Police of the Donetsk Region via AP)