However, infections also trigger another reaction called cell-mediated immunity, in which certain white blood cells target and destroy infected cells.

然而，感染还能触发另一种反应叫细胞介导免疫性，某些白细胞靶和破坏感染的细胞。

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Work to be published soon, by John Oxford of Barts and The London School of Medicine and Dentistry, also shows that infected volunteers with high cell-mediated immunity get few or no flu symptoms.

英国巴兹和伦敦医学院的约翰牛津即将出版的工作也表明，高细胞免疫力的感染志愿者只有很少或根本没有流感症状。

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Seasonal H1N1 infection may have primed another part of the immune system, called cell-mediated immunity, which may not prevent infection but limits the severity of the disease .

季节H1N1感染可以活化另一部分免疫系统，称为细胞介导免疫性，它可以没有预先感染就能限制疾病的严重性。

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