Acknowledgments

Co-authors
James Alexander, Emilia Anis, Bruce Aylward, Gregory Armstrong, Albert Barskey, Cara Burns, Victor Cáceres, Konstantin Chumakov, Stephen Cochi, Ousmane Diop, Walter Dowdle, Esther deGourville, Kathleen Gallagher, Howard Gary, Itamar Grotto, Neal Halsey, Kun Hu, Tapani Hovi, Hamid Jafari, Denise Johnson, Dominika Kalkowska, Olen Kew, Jong-Hoon Kim, Kasper Kisjes, Phil Minor, John Modlin, Steve Oberste, Mark Pallansch, Peter Patriarca, Hazhir Rahmandad, Nalinee Sangrujee, Lester Shulman, Philip Smith, Roland Sutter, Linda Venczel, Gregory Wallace, Steve Wassilak, Margie Watkins, Peter Wright

Other contributors
Global Polio Laboratory Network, Emmanual Abanida, Mohammed Ado, Lorraine Alexander, Katerina Alves, Abhijeet Anand, Larry Anderson, Sona Bari, Thomas Bell, Christopher Black, Ivana Boko, Francois Bompart, Lee Bookman, Carla Boudreau, Louis Boviero, Brenton Burkholder, Anthony Burton, Fred Caillette, Claire Chauvin, Jason Cecil, Susan Chu, Paul Chenoweth, Roger Cooke, James Cosgrove, Laurent Coudeville, Philippe Duclos, Andrew Etsano, Concepción Estivariz, Hans Everts, Christine Fares, Christine Feig, Paul Fine, Marta Gacic-Dobo, Michael Galway, Gian Gandhi, Alex Gasasira, John Glasser, Jean-Marc Glinz, Tracey Goodman, Ulla Griffiths, Steve Hadler, Shanelle Hall, Karen Hennessey, David Heymann, Brian Hirten, Alan Janssen, Julie Jenks, Jacob John, Todd Jordan, Samuel Katz, Bob Keegan, Nino Khetsuriani, James Koopman, Scott Lambert, Tracy Lieu, Asta Lim, Jennifer Linkins, Robb Linkins, Marc Lipsitch, Benjamin Lopman, Patrick Lydon, Ondrej Mach, Chris Maher, Naile Malakmadze, Apoorva Mallya, Rebecca Martin, Eric Mast, Robert Matthews, Steve McLaughlin, Elizabeth Miller, Linda Muller, Van Hung Nguyen, Deo Nshimirimana, Patrick O’Connor, Walter Orenstein, Hiromasa Okayasu, Jean Marie Okwo Bele, Carol Pandak, Muhammed Pate, Christina Pedreira, Stanley Plotkin, Sarah Poser, Becky Prevots, Lance Rodewald, Oliver Rosenbauer, Jennifer Rubin, Hardeep Sandhu, Anne Schuchat, Robert Scott, Tika Ram Sedai, John Sever, Meredith Shirey, Simarjit Singh, Bryon Skinner, Jean Smith, Thomas Sorensen, Jeanette St. Pierre John Sterman, Peter Strebel, Rudi Tangermann, Iris Tetford, Harrie van der Avoort, Anton van Loon, Jos Vandelaer, Rui Vaz, Robert Weibel, Jay Wenger, Bruce Weniger, Chris Wolff, David Wood, Michel Zaffran

Funding
Unrestricted gifts to Harvard Kids Risk Project
CDC: U50CCU300860, U01IP000029, U66IP000169, NVPON37(FY2005), 200-2010-M-33379, 200-2010-M-33679, 200-2010-M-35172, U66IP000519, 200-2015-M-61344, 200-2015-M-63078
WHO Polio Research Committee APW200179134
Bill & Melinda Gates Foundation: 4533-17492, 4533-18487, 4533-21031, 4533-23446, 4533-25298, OPP1129391