Obvious anti-infection effect.

抗感染作用显著；

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Numbers of researches have revealed that DCs play an important role in anticancer and anti-infection effect, graft rejection reaction, and autoimmune diseases.

大量研究表明，树突状细胞在抗肿瘤、抗感染、移植排斥和自身免疫性疾病中发挥重要作用。

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"Although the merits of each type of analysis can be debated, all three yielded a possible, albeit modest, effect of the vaccine in preventing HIV infection," Dolin wrote.

道林写道：“虽然每种分析方法的优点都存在争议之处，但三种方法都表明这种疫苗在预防艾滋病病毒传染方面具有可能但却适当的有效性。”

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Tuberculosis is a common side-effect of HIV infection.

VOA: standard.2010.07.21

So, one that perhaps does not reproduce in such high numbers that you create an overwhelming infection, but one that still goes through its lifecycle but is limited in its effect.

因此,一方面这些病毒不会大量复制,从而不会导致暴发性的感染,另一方面,它依旧在进行生命周期循环,只不过对其效用进行了限制

耶鲁公开课 - 生物医学工程探索课程节选

The 23-year-old woman was admitted to hospital after an antibiotic seemed to have no effect on a skin infection on her leg.

BBC: NEWS | Programmes | More Or Less | Diagnosis by computer statistics

These efforts at sterilizing our hands and countertops, and at killing every infection in our bodies can have just the opposite effect.

CNN: Free-riding microbes: stronger, more powerful, and our fault