“…The most straightforward action might be to offer safe shelter and nutrition in demilitarized/neutral zones. Acute respiratory infections, varicella, and diphtheria are among the most common infections [ 39 ]. As several of these are vaccine-preventable, there is a reliance on NGOs, international organisations, and countries to support vaccine provision not only for Ukrainian children, but also to close the vaccine coverage gaps in neighbouring countries to limit transborder transmission secondary to the mass population movement.…”