Two decades of public health achievements in lymphatic filariasis (2000-2020): reflections, progress and future challenges.

We are pleased to provide an editorial to introduce this series of articles on the achievements of the Global Programme to Eliminate Lymphatic Filariasis (GPELF) over the last 2 decades. We are delighted that so many of the major players in this journey have agreed to contribute to this supplement, which tracks the successes and identifies the challenges faced over 2 decades of work as well as also looking towards the coming years.