respiratory infection造句

1、A cold is a respiratory infection caused by one of hundreds of possible viruses.
感冒是一种呼吸道感染的病毒可能造成数百之一。

2、Repeated respiratory infection is the common disease in paediatric clinic.
反复呼吸道感染是儿科的常见病。

3、And the most pathogeny of fever are acute upper respiratory infection and acute gastritis.
发热患者以本市年轻人多见，最常见病因为急性上呼吸道感染和急性胃肠炎。