In April 2022, The Leona M. and Harry B. Helmsley Charitable Trust, announced a $22.5 million donation to the Neglected tropical diseases fund, The END Fund. The aim of the donation was to aid in the supporting 1.7 billion people affected by EDN's such as onchocerciasis (river blindness) and lymphatic filariasis (LF) across Ethiopia, Sudan and South Sudan.[2]