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had to be policed, provisioned and isolated
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from all contacts with the city.
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It required a strong naval presence too,
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to compel unwilling and possibly terrified sea captains
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to anchor within these waters,
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and to prevent attempts at evasion or escape.
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Within the lazaretto,
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there were detailed, complex regulations
-
to ensure that hundreds, sometimes thousands of passengers,
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in different stages of quarantine,
-
would be isolated not only from the city
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but also from each other,