was the last major, and the best,

他是最后一位当然也是最优秀的
defender of the anticontagionist doctrine,

非接触性传播理论的主要支持者
of miasmatism, in other words.

也就是支持瘴气理论
And he defended it until his death at the dawn of the twentieth century.

直到20世纪初他死前都在论证它
He adopted the traditional doctrine, dating back to

他采用可以追溯到远古时期的传统观点
antiquity, but provided it with a new evidence-based,

同时提供了新的
scientific underpinning.

以科学为基础的证据
Well, why was Pettenkofer not convinced

那么为什么佩腾科弗在霍乱方面
by Snow when it came to cholera?

没有被斯诺认可呢
Part of the reason you know.

你们知道一部分原因
Contagionism, Pettenkofer said--and in this

佩腾科弗认为接触性传播的观点
he was right--it didn't produce a really plausible mechanism for

没有提出令人信服的传染机制