For, though himself and boat’s crew remained untainted, and though his ship was half a rifle-shot off, and an incorruptible sea and air rolling and flowing between; yet conscientiously adhering to the timid quarantine of the land, he peremptorily refused to come into direct contact with the Pequod.
There are no more uses of "quarantine" in the book.
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The ranch was quarantined due to fears of mad cow disease.
They set up this crazy elaborate testing system and have tried really hard to have quarantined areas.