The enclave is experiencing some of the highest levels of malnutrition since the fighting began. Even children who recover will carry the physical consequences for the rest of their lives.

Contraceptives bought by U.S.A.I.D. have been in limbo in a Belgian warehouse. The U.S. government said the products were destroyed, but local authorities found them.

© Hilary Swift for The New York Times

The birth control pills, IUDs and hormonal implants were purchased by U.S.A.I.D. for women in low-income countries. They had been in limbo in a Belgian warehouse after the U.S. cut much of its foreign aid.

© Hilary Swift for The New York Times