Don't confuse flu with other respiratory illnesses.

不要把流感和其他呼吸系统疾病混淆。

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The Chinese capital has been plagued by recurring air pollution linked to lung damage and respiratory illnesses.

中国的首都北京饱受反复出现的空气污染的困扰，它会损伤肺部和呼吸系统。

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The early symptoms of H5N1 infection mimic those of many other common respiratory illnesses, meaning that false alarms are likely.

H5N1型病毒感染的早期症状与很多其它常见呼吸道疾病的症状相似，这意味着有可能发生误报现象。

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But Mister Zundt says reducing air pollution and acid rain will reduce respiratory illnesses for people in the city.

VOA: special.2009.09.07

Authorities also are watching for respiratory illnesses, such as the common cold, influenza and tuberculosis.

CNN: Officials: Chemicals bigger concern than cholera

Food-borne outbreaks such as E. coli and transmittable respiratory illnesses are also a threat, he said.

CNN: Experts: Disease outbreaks a real threat

That aside, more than 150, 000 people die of respiratory illnesses each year.

BBC: 'A sharp intake of breath'