The idea of provoking a cell-mediated response to flu is controversial, though, in part because it takes longer to start mass-producing T-cells than antibodies.

尽管如此，这种激起细胞介导的对流感的免疫应答的想法仍存在争议，部分是因为大规模生产t细胞比抗体更耗时。

youdao

The bird flu virus can 't spread among humans... Yet.

禽流感病毒现在还不能在人类中传播。暂时。

youdao

The bird flu virus can 't spread among humans... Yet.

至今未发现禽流感病毒在人类中传播。

youdao

So it really gave a broad coverage against a range of seasonal viruses that wouldn't be covered by the traditional flu vaccine."

VOA: standard.2010.07.21

I didn't have the flu at the time but I became violently ill.

我那会并没得流感，但却病的很重。

耶鲁公开课 - 心理学导论课程节选

Mutations in the virus mean that last year's vaccine probably won't protect against this year's flu variety.

VOA: standard.2010.07.21

But I work out and I know my body fairly well so I was pretty sure it wasn't flu.

CNN: 'I'd be an invalid without this device'

And, though a flu shot won't give you the flu, its protection doesn't kick in for two weeks from the time of injection.

CNN: Flu shot myths addressed

And in most of those cases, it wasn't the flu that was fatal but some another illness that took advantage of a weakened immune system caused by the H1N1 flu.

CNN: Commentary: It's time to end flu hysteria