Their most powerful weapon, however, was the disease smallpox, which they brought with them from Spain.

然而，他们最有力的武器是他们从西班牙带来的病。

Smallpox was a over 30 per cent fatality.

比如的死亡率超过30%。

Bill played a pivotal role in eradicating smallpox.

比尔在根除方面起了关键作用。

Smallpox vaccination became common in the 19th century.

疫苗接种在19世纪普及开来。

Terrible smallpox scars, club feet, harelips, the lot.

可怕的下的疤痕，先足畸，兔唇等等。

The vaccine for smallpox is infallible.

疫苗是绝对可靠的。

Smallpox was going rampant around there.

在那里肆虐。

And smallpox was one of the worst of them.

是其中最严重的一种。

Yellow fever and smallpox were no longer a threat.

黄热病和不再威胁人们的生命。

In 1967, smallpox was responsible for millions of deaths.

1967年，造成数百万人死亡。

Smallpox, unbeknownst to them, they bring it to battle.

他们无意中把带到了战场上。

Neil said it was smallpox which was the correct answer!

尼尔说是，这是正确答案！

It had been approved to treat smallpox in the E.U.

该疫苗曾在欧盟被批准用于治疗。

Unlike smallpox and polio, however, there is no vaccine against HIV.

但和以及脊髓灰质炎不同的是，没有对抗HIV的疫苗。

So the effectiveness for smallpox was estimated to be relatively high.

的有效性估计相对较高。

On January, 12th, 1875, Zaichun died of smallpox, not yet 20.

1875年1月12日，载淳死于，还不到20岁。

Gradually, the vaccine pushed smallpox out of Europe and the U.S.

渐渐地，这种疫苗将赶出了欧洲和美国。

There were several factors that made smallpox an ideal candidate for eradication.

有几项因素使成为理想的根除候选。

Neil said it was smallpox which was the correct answer! Well done, Neil!

尼尔说是，回答正确！干得好，尼尔！

Mostly due to diseases like measles and smallpox brought by the European conquerors.

主要是由于欧洲征服者带来的麻疹和等疾病。