epidemic neuromyasthenia

n.
  1. An epidemic disease characterized by stiffness of the neck and back, headache, diarrhea, fever, and localized muscular weakness.benign myalgic encephalomyelitis Iceland disease
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.