However, in the summer of 1918, a deadlier version of the same virus began spreading, with disastrous consequence.

然而，1918年开始，一个病毒的同版本开始致命蔓延，在夏天造成了灾难性后果。

youdao

However, in the summer of 1918, a deadlier version of the same virus began spreading, with disastrous consequence.

然而，1918年开始，一个病毒的同版本开始致命蔓延，在夏天造成了灾难性后果。

youdao