respiratory tract infection; RTI
Medical term for infections of the respiratory tract, including the nose, throat, airways, and lungs.
Respiratory tract infections tend to spread in winter.
This medicine is used to treat respiratory tract infections.
上気道感染 specifically refers to upper respiratory tract infections, while 呼吸器感染 is a broader term covering both upper and lower respiratory infections.
肺炎 (pneumonia) is a specific type of lower respiratory infection, whereas 呼吸器感染 is a general category.
Compound of 呼吸器 (respiratory organs) and 感染 (infection).