In humans, coronaviruses cause respiratory tract infections.
冠状病毒在人体内会引起呼吸道感染疾病。
Tuberculosis is respiratory tract contagion.
肺结核是呼吸道传染病。
A non-productive cough does not expel sputum from the respiratory tract.
干咳指不从呼吸道排出痰液的咳嗽。
The secretory system of the respiratory tract is probably the most appreciated.
呼吸道的分泌系统可能是最先被意识到的。
An upper respiratory tract infection may precede all other symptoms in as many as 68.8% of patients.
l 68.8%的患者在所有症状之前有上呼吸道感染。
One feature seen in many patients is the development of lower respiratory tract early in the illness.
在许多患者身上观察到的一项特征是，疾病初期会出现下呼吸道症状。
Radon can cause lung cancer, leukemia, albinism and other pathological changes in respiratory tract.
氡气会导致肺癌、白血病、皮肤癌及其它呼吸道病变的产生。
Adenovirus-36 (Ad-36) is a highly contagious virus that normally causes upper respiratory tract infections.
腺病毒—36 (Ad - 36)，通常会导致上呼吸道感染，一种高度传染性的病毒，大约有50多种变异体。
The H5N1 virus tends to infect the lower respiratory tract in humans, where it can't easily get out and spread.
而H5N1病毒倾向于感染人的下呼吸道，从这里病毒很难传播出去感染其他人。
After all, flu viruses work this way; they destroy the cells of our respiratory tract, wreaking havoc in our airways.
毕竟，流感病毒就是这样的，它们破坏我们呼吸道的细胞，扰乱我们的通气孔。
The most commonly reported reactions included upper respiratory tract infections, rash, and urinary tract infections.
最常见报告的反应包括上呼吸道疾病、皮疹和尿路感染。
The most common side effects in clinical studies were upper respiratory tract infection, sore throat, and diarrhea.
临床研究中最常见的副作用是上呼吸道感染，喉咙痛和腹泻。
Programme has shown a reduction of almost 20% in antibiotic usage for respiratory tract infections at a community level.
规划使社区级用于呼吸道感染的抗生素减少了近20%。
Swine influenza (swine flu) is an acute viral infection of the respiratory tract in pigs caused by type A influenza virus.
猪流感是一种发生在猪身上的高度传染性急性呼吸道疾病，由A型流感病毒引起。
After his daughter found him and called an ambulance the old man died "because of a respiratory tract clogged by a nosebleed".
他女儿发现了之后赶紧叫了救护车，但是这位老人仍然因为鼻血堵塞呼吸道而窒息去世。
After his daughter found him and called an ambulance, the old man died "because of a respiratory tract clogged by a nosebleed".
他女儿发现了之后赶紧叫了救护车，但是这位老人仍然因为鼻血堵塞呼吸道而窒息去世。
Smoking can cause respiratory tract a variety of diseases, including pharyngitis, emphysema, asthma, and even lung cancer.
吸烟可引起呼吸道各种疾病，包括咽炎、肺气肿、哮喘甚至肺癌。
Objective to observe the clinical efficacy and safety of azithromycin treatment of children with respiratory tract infection.
目的探讨阿奇霉素治疗小儿呼吸道感染的临床疗效及安全性。
Children who live with smokers are more likely to develop middle ear infections (otitis media) and lower respiratory tract infections.
与吸烟者生活在一起的儿童容易患中耳炎和下呼吸道感染。
Participants with febrile respiratory tract illness were examined clinically, and ill infants were tested for influenza antigens.
伴有发热的呼吸道疾病的参与者做临床检查，测定患病婴儿的流感抗原。
Conclusion: The cure rate of infants with respiratory failure could be risen by intensive care. The core was respiratory tract nursing.
结论：加强护理能显著提高新生儿呼吸衰竭的治愈率，其核心是加强呼吸道护理。
OBJECTIVE to study the epidemiological features of hospital lower respiratory tract infection in order to adopt effective control methods.
目的探讨医院下呼吸道感染流行病学特点，以便采取有效的控制措施。
Undernutrition increases the risk of upper respiratory tract infections and subsequent acute bronchitis, especially in children and older people.
营养不良增加上呼吸道感染的风险从而发生急性支气管炎，特别是儿童和老人。
Over 12 weeks in the autumn and winter of 2008, the researchers tracked the number of upper respiratory tract infections the participants suffered.
在2008年秋冬季超过十二周的的时间里，研究人员跟踪调查了受访者感染上呼吸道疾病的人数。
Methods The foreign bodies were removed by the pliers of a fiberoptic bronchoscope after finding them in the lower respiratory tract in 8 patients.
方法在常规纤支镜检查确定为异物后使用异物钳分别对8例患者下呼吸道的异物进行钳取。
Inversions can help clear the upper respiratory tract and drain secretions from the nose, allowing freshly oxygenated blood to flow into the oral cavity.
倒置体式能清理上呼吸道，排出鼻腔内的分泌物，让新鲜富氧的血液循环到口腔。
Objective to compare the efficacy and safety of moxifloxacin and levofloxacin in treating respiratory tract bacterial infections in the senile patients.
目的对照研究莫西沙星与左氧氟沙星治疗老年人呼吸道细菌感染的临床疗效及安全性。
The low rate of transmission to persons with casual contact suggests that aerosol transmission via the respiratory tract is not efficient, if it occurs at all.
偶然接触者的低传播率表明，如果确实发生，经过呼吸道的空气传播是无效的。
The low rate of transmission to persons with casual contact suggests that aerosol transmission via the respiratory tract is not efficient, if it occurs at all.
偶然接触者的低传播率表明，如果确实发生，经过呼吸道的空气传播是无效的。
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