Quarantine

Quarantine is compulsory isolation, typically to contain the spread of something considered dangerous, often but not always disease. The word comes from the Italian (seventeenth century Venetian) quarantena, meaning forty-day period. Quarantine can be applied to humans, but also to animals of various kinds.

Read more about Quarantine:  In Practice, History, International Conventions, Signals and Flags, Australia, Canada, Hong Kong, United Kingdom, United States, Other Uses, Notable Quarantines