Israel has barred entry to Gaza for foreign staff of several international aid organizations, including key medical groups, unless they comply with new registration requirements. This move has led to the suspension of critical medical and humanitarian services, with some organizations refusing to share staff details due to safety concerns. While some aid groups have agreed to the new rules, others warn that the remaining registered organizations can only meet a fraction of Gaza's urgent humanitarian needs. The restrictions threaten essential services such as field hospitals and malnutrition screening, raising fears of a deepening crisis for Gaza's two million residents.