Methods:The causes of chronic cough in 60 children were analyzed.

方法：对60例慢性咳嗽患儿的病因进行分析。

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Objective: To investigate the cause of chronic cough in children.

目的：探讨小儿慢性咳嗽的病因。

youdao

However, pertussis is still a relatively uncommon cause of chronic cough.

然而，百日咳还是相对不常见的慢性咳嗽的原因。

youdao

His parents died of tuberculosis. So when Bolivar developed a chronic cough, fever and weight loss, the same bacterial infection was suspected.

VOA: standard.2010.06.09

Even those who are able to complete the challenge are still at risk for delayed episodes of wheezing and the development of a chronic cough.

FORBES: An ER Doctor's Perspective on "The Cinnamon Challenge": Don't Even Think of Doing It

The main culprit in the cinnamon powder is actually derived from tree bark and contains cellulose, an undigestible fiber capable of producing a strong inflammatory response in lung tissue, leading to long term wheezing and a chronic cough, potentially placing patients at further risk for bouts of pneumonitis or even aspiration pneumonia.

FORBES: An ER Doctor's Perspective on "The Cinnamon Challenge": Don't Even Think of Doing It

Although a person is infected, they may not develop any of the classic symptoms, such as a chronic cough.

BBC: TB link to ethnic minority poverty