Mpox: Neglect has led to a more dangerous virus now spreading across borders, harming and killing people. Leaders must take action to stop mpox now. by Christine McNab, Els Torreele, Ayoade Alakija, Aggrey Aluso, Mauricio Cárdenas, Brendan Crabb, Mark Dybul, Patricia J Garcia, Lawrence O Gostin, Angel Gurría, Jane Halton, Adam Kamradt-Scott, Michel Kazatchkine, Helena Legido-Quigley, Joanne Liu, Suman Majumdar, Henry E Mark, Rosemary McCarney, David Miliband, Winnie Mpanju-Shumbusho, Selina Namchee Lo, Anders Nordström, Raj Panjabi, Jorge Saavedra, Nina Schwalbe, Barbara M Stocking, Eloise Todd, Clare Wenham, Ellen Johnson Sirleaf, Helen Clark