quarantine
noun [ U ]
uk/ˈkwɒrəntiːn/ usa period of time during which an animal or person that might have a disease is kept away from other people or animals so that the disease cannot spread:
be/keep sth/put sth in quarantine About 6,000 hogs are being kept in quarantine pending further testing.
Australian airports have introduced quarantine regulations in a bid to prevent the spread of the disease.
quarantine
verb [ T ]
uk/ˈkwɒrəntiːn/ usto keep an animal or person away from other animals or people to prevent them from spreading a disease:
The worker was quarantined for five days and directed to wear a mask to protect others.