quarantine
US /ˈkwɔːr.ən.tiːn/
UK /ˈkwɔːr.ən.tiːn/

1.
a state, period, or place of isolation in which people or animals that have arrived from elsewhere or been exposed to infectious or contagious disease are placed
:
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The ship was placed under quarantine due to an outbreak of illness.
•
Many countries imposed a 14-day quarantine for international travelers.