In this period, the methods adopted mainly were keeping off it, praying gods and vaccination.

这一时期预防天花的做法大体上有避痘、祈神和推行种痘术。

youdao

In this period, the methods adopted mainly were keeping off it, praying gods and vaccination.

这一时期预防天花的做法大体上有避痘、祈神和推行种痘术。

youdao