ABSTRACT To the Editor: We are concerned that Yuki and Hartung (June 14 issue),(1) in their otherwise comprehensive review of the Guillain-Barré syndrome, have overlooked the importance of public health efforts in the surveillance of acute flaccid paralysis to the eradication of polio. Surveillance of acute flaccid paralysis, and hence Guillain-Barré syndrome, which the authors describe as the "most frequent cause of acute flaccid paralysis worldwide," is a key strategy in global efforts aimed at its eradication.(2) The recent declaration by the World Health Assembly that poliovirus eradication is a programmatic emergency for global public health(3) should convince clinicians around the . . .