Isolation is a key aspect of quarantine procedures to prevent the spread of disease. This lone cow was on Matiu/Somes Island, in Wellington Harbour, in 1970. The island housed one of the main Department of Agriculture quarantine stations from 1889 until 1995. Its early role was to quarantine immigrants when there was an outbreak of smallpox or scarlet fever on board ship. During both world wars, enemy aliens or people thought to be security risks to New Zealand were isolated there. Today the island is predator-free, and the public can visit to see native plants and wildlife.
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