The regulations descend from the First International Sanitary Conference, held in Paris in 1851 to fight cholera.

该条例产生于1851年在巴黎召开的第一届国际卫生大会。

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The regulations descend from the First International Sanitary Conference, held in Paris in 1851 to fight cholera.

该条例产生于1851年在巴黎召开的第一届国际卫生大会。

youdao