Q: Why was the response to the ’76 swine flu outbreak deemed a failure?

问：为什么对76年猪流感暴发的反应被视为失败？

youdao

Here are a few basics about the swine flu outbreak in the U.S. and Mexico.

以下是有关在美国和墨西哥爆发的猪流感的一些基本知识。

youdao

Here are a few basics about the swine flu outbreak in the U. S. and Mexico.

以下是有关在美国和墨西哥爆发的猪流感的一些基本知识。

youdao

Here are a few basics about the swine flu outbreak in the U. S. and Mexico.

以下是有关在美国和墨西哥爆发的猪流感的一些基本知识。

youdao