世界各国报道其感染率不径相同，感染症状可从轻微的上呼吸道病变到严重的细支气管炎和肺炎。

The prevalences of hMPV infections vary from country to country, and the consequences range from mild upper respiratory tract infection to severe bronchiolitis or pneumonia.

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目的探讨双重聚合酶链反应（DPCR）法检测痰及支气管肺泡灌洗液（BALF）中军团菌DNA在早期诊断军团菌肺炎的意义。

Objective To investigate the value of duplex polymerase chain reaction (DPCR) in early diagnosis of Legionella pneumonia by detecting Legionella DNA in sputum and bronchoalvelar lavage fluid(BALF).

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急性支气管肺炎、支气管哮喘、左向右分流型先天性心脏病患儿的血浆ANF含量明显增高。

However, children with acute bronchopneumonia, asthma, or left to right shunt congenital heart diseases have significantly higher plasma ANF levels than healthy children.

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