International Journal of Infectious Diseases
February 2020 Volume 91, p1-270
https://www.ijidonline.com/issue/S1201-9712(19)X0020-X

Editorial
Extra time and penalties in the polio endgame
Melinda Suchard, Oyewale Tomori, Lucille Blumberg
p252–254
Published online: January 6, 2020