Both the negative pressure drainage vessel and the drop stitch are easier to cause infection.

负压引流管和缝线都容易引起感染。

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The use of any antimicrobial for any infection, in any dose, and over any time period, forces microbes to either adapt or die in a phenomenon known as “selective pressure”.

针对某种感染使用某一剂量的某种抗菌剂一段时间，会迫使微生物或是适应，或是死亡；这种现象称为“选择压力”。

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Sinus infection symptoms include thick, yellow, foul-smelling nasal discharge, pain and pressure or pain around the sinuses, and a lingering cold.

鼻感染的症状包括厚的黄色臭味排出物，疼痛和压感或者鼻窦痛，以及长时间感冒。

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Problems eating solids can lead to malnutrition and secondary problems such as reduced resistance to infection and pressure sore risk.

BBC: Princess Margaret: The medical care

All inpatients at Papworth are now treated in negative pressure rooms to prevent the spread of airborne bugs and those with the infection are cared for away from the cystic fibrosis unit.

BBC: Cystic fibrosis bug 'can spread between patients'