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

然而，他最有力的武器是他从西班牙带来的天花病。

Smallpox was a over 30 per cent fatality.

比如天花的死亡率超过30%。

Bill played a pivotal role in eradicating smallpox.

比尔在根除天花方面起了关键作用。

Smallpox vaccination became common in the 19th century.

天花疫苗接种在19世纪普及开来。

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

可怕的天花留下的疤痕，先天足畸，兔唇等等。

The vaccine for smallpox is infallible.

天花疫苗是绝对可靠的。

Smallpox was going rampant around there.

天花在那里肆虐。

And smallpox was one of the worst of them.

天花是其中最严重的一种。

Yellow fever and smallpox were no longer a threat.

黄热病和天花不再威胁人的生命。

In 1967, smallpox was responsible for millions of deaths.

1967年，天花造成数百万人死亡。

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

他无意中把天花带到了战场上。

Neil said it was smallpox which was the correct answer!

尼尔说是天花，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天花。

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

但和天花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.

天花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，载淳死于天花，还不到20岁。

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

渐渐地，这种疫苗将天花赶出了欧洲和美国。

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

有几项因素使天花成为理想的根除候选。

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

尼尔说是天花，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天花等疾病。