Clean the infected area with disinfectant.

把受感染的部分用消毒剂消毒。

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Bathe the infected area in a salt solution.

用盐水清洗感染的部位。

youdao

To soothe the burning pain, patients often immerse the infected area in water.

病人为了减轻烧灼样的疼痛，通常会把感染的部位浸入水中。

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Andrew and Samantha are trying to get back to safety in the United States but they have to travel through the so-called infected area in Mexico.

VOA: special.2010.10.29

When the good luck runs out, stem rust can destroy the entire harvest in an infected area.

ECONOMIST: Wheat rust and world farming

"We have to prepare ourselves for the likelihood that swine flu will reach Guernsey, but it may not be in a way we initially expected, through travel to an infected area, " he added.

BBC: Island swine flu tests stepped up

It is well known that partial culling creates an upsurge of disease due to perturbation of infected badgers, in other words increasing the movements of infection among the population by the badgers scarpering to neighbouring sets, potentially setting up a new geographically infected area.

BBC: Viewpoints: The badger cull