• Fifty-seven of 159 rural elementary school students had an [ill]xplosive spread of pruritus and rash—a rarely described [ill]anifestation of epidemic hysteria. in a sample of 13 children 23%), each child examined had irregular, macular, erythema[ill]us lesions that were excoriated and actively changed during examination. Rash occurred only at sites readily accessible to stands. The symptoms disappeared promptly when the chil[ill]ren left school and recurred each morning when they re[ill]rned. There were no secondary family cases in sample children. School-wide attack rates were higher in girls and [ill]unger children. The outbreak resolved after two to three ieks, with identification of Its nature and resumption of [ill]ormal activities. Academic stresses were circumstantially [ill]ked to the outbreak.
(Arch Intern Med 1984;144:1959-1962)