Internet Archive - outbreak investigation 1959 usphs (1959)

财富辛

Title: Outbreak Investigation
Source: Internet Archive (Archive.org)

English Introduction:
A 1959 American public-health educational short outlining the procedures used in outbreak investigation.

中文标题：
疫情调查

中文简介：
1959年的美国公共卫生教育短片，介绍传染病或公共卫生事件的调查流程。

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