Ceaseless occurrence of rapid jerking movements performed involuntarily. It is a complication of streptococcal infection. A pilgrimage to the shrine of St Vitus (patron saint of dancers) was supposed to cure the condition. In fact, most victims will recover within a month or so without treatment - A more modern term is Sydenhams chorea - Some think …
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St. Vitus dance: Another name for Sydenham chorea. St. Vitus is the patron saint of epileptics, dancers, and actors.
a twitching of the limbs consequent on streptococcal infections also known as chorea Sancti Viti