This can happen over and over again throughout a person's lifetime, with classic triggers being things like stress, skin damage, and viral illnesses.

以上过程可能会在一个人的一生中反复发生，典型的诱因包括压力、皮肤损伤和病毒性疾病。

A red nose could be a sign of a viral illness, perhaps allergies, frequent rubbing.

- 红鼻子可能是病毒性疾病的征兆，可能是过敏、经常揉鼻子。

The study reported " no significant difference in the effectiveness" of medical masks vs. N95 respirators for prevention of influenza or other viral respiratory illness.

该研究报告称， 医用口罩与 N95 口罩在预防流感或其他病毒性呼吸道疾病方面“在有效性上没有显着差异” 。

We focus so much on the lungs of this respiratory viral illness that, like, when you get outside and breathe, you're so thankful for it because I can breathe. My lungs still work.

我们非常关注容易患上这种呼吸道病毒疾病的肺部，你能走出室外呼吸，太令人感激了，因为我可以呼吸了。我的肺还在工作。