Should polio be eradicated worldwide, countries must decide whether to continue to vaccinate with the live-attenuated vaccine, to continue to vaccinate with the alternative, killed vaccine, or to cease vaccinating. To reap a dividend from polio eradication, countries must choose the last option,...

Should polio be eradicated worldwide, countries must decide whether to continue to vaccinate with the live-attenuated vaccine, to continue to vaccinate with the alternative, killed vaccine, or to cease vaccinating. To reap a dividend from polio eradication, countries must choose the last option,...