Earlier mouse studies have found that stressful exercise can increase susceptibility to upper respiratory infections, although it is not yet clear if the same is true for humans.

早期的老鼠试验已经发现紧张性运动会增加上呼吸道感染的易感性，尽管还不是很清楚对人类是否同样正确。

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Possible side effects include an increased susceptibility to some infections.

可能的副作用包括对感染的易感性增加。

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Objective: to study the pathogen constitution of current Urinary nosocomial infections, and to evaluate the significance of urine culture and drug susceptibility test for clinical therapy.

目的：了解目前泌尿系医院感染的病原体构成以及尿培养和药敏试验结果对临床治疗的指导意义。

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One of the most common signs of primary immunodeficiency is an increased susceptibility to infections.

CNN: Primary immunodeficiency

But just as the genetic material of the virus dictates the next wave of infections, so our own genetic make-up can influence our susceptibility to these.

BBC: Winter bugs: A yearly battle for dominance