Unfortunately, a universal vaccine will not be ready soon enough to combat a possible pandemic from the new strain of swine flu that has already sickened thousands of people.

遗憾的是，通用流感疫苗不能及时研制成功来抑制可能的流感大流行，而新的猪流感病毒已经使数千人患病。

youdao

Unfortunately, a universal vaccine will not be ready soon enough to combat a possible pandemic from the new strain of swine flu that has already sickened thousands of people.

遗憾的是，通用流感疫苗不能及时研制成功来抑制可能的流感大流行，而新的猪流感病毒已经使数千人患病。

youdao