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。

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Turning off the TV and computers after a certain hour and keeping technology — even cell phones — out of teenagers' bedrooms may be a good start.

在使用了一定的时间之后，关掉电视和电脑，并且让这些高科技，包括手机远离青少年的房间会是一个不错的开始。

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Patient losses between HIV testing, baseline CD4 cell count and the start of care and art are high.

患者在艾滋病毒检测、基准CD 4细胞数量及开始护理和抗逆转录病毒疗法的流失是较高的。

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Despite the slow sales of battery-powered cars, the head-start they have over fuel-cell cars gives them a definitive advantage in terms of price.

CNN: Hydrogen fuel-cell cars look to overtake electric autos

Turning off the TV and computers after a certain hour and keeping technology--even cell phones--out of teenagers' bedrooms may be a good start.

CNN: Sleep deprivation linked to depression in teens