Note 196 — OF QUARANTINE, LAZARETTOS, AND OTHER ESTABLISHMENTS OF PLAGUE POLICE.

Sporadic.—An epithet used in opposition to that of Epidemic, and is given to such diseases as have some special or particular cause, and are dispersed here and there, affecting only particular constitutions, ages, &c. σποραδικος, from σπορας, dispersed, of σπείρω I strew.