Israel has barred foreign medical and humanitarian staff from entering Gaza unless their organizations comply with new requirements, including submitting employee details to Israeli authorities. The move affects 37 international aid groups, many of which are now considering whether to share staff information due to safety concerns, as hundreds of aid workers have been killed or injured during the conflict. Some organizations, including Medecins Sans Frontieres, Medecins du Monde Suisse, and the Danish Refugee Council, report their foreign staff were denied entry to Gaza this week. Israeli officials say the measures are intended to prevent aid from being diverted to militant groups, while aid organizations warn that suspending their operations could worsen the humanitarian crisis in Gaza.