Postpolio syndrome.

Postpolio weakness, a newly recognized clinical entity, is beginning to appear in patients some 30 years after their initial bout with the disease. Two such cases are presented. The difficulties in establishing an early and correct diagnosis and the emerging complications and uncertainty surrounding the postpolio patient are discussed. Recognition, early diagnosis, close scrutiny and constant vigilance are presented as the only defense, at this time, in combating the emerging latent complications of polio.