translation.en: But the virus clearly went through one round around the world in a mild enough form that the British army in World War I actually certified that it was not a threat and would not affect the outcome of the war.
translation.zh: 但是病毒确实是在 全球范围内 以一种温和的形式传播了一圈， 正如英国军队所证实的那样：在一战中， 这场流行病并没有威胁性 也不会影响战争的结果。