For the Spanish flu of 1918-19, this was about 2.5 per cent, while for the 1968 pandemic it was below 0.5 per cent. This explains the huge difference in the death tolls.

对于1918 - 1919年西班牙的流感来说，这一数字是2.5%，1968年的大疫情这一数字为0.55 .这也就说明了死亡率的巨大差别。

youdao

We can get some idea of its magnitude from the Spanish flu pandemic in 1918, which killed between 20 and 50 million people.

1918年的西班牙流感大流行造成2000万至5000万人死亡，这可使我们对禽流感的规模有一定的了解。

youdao

In 1918 and 1919, in the wake of the first world war, a pandemic known as “Spanish flu” (though it did not start in Spain) killed between 50m and 100m people.

1918-1919年爆发第一次界大战，一场不是起源于西班牙的大传染病「西班牙流感」，大约夺走五千万至一亿人的性命。

youdao

Medical historians believe that a large proportion of those who died of the Spanish flu pandemic in 1918 were not killed by the flu virus, but by secondary bacterial pneumonia, which was difficult to treat before the introduction of antibiotics.

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