Although the main cause of bronchiolitis is respiratory syncytial virus, it can be caused by other viruses like adenovirus, human bocavirus, and human metapneumovirus.

虽然细支气管炎的主要原因是呼吸道合胞病毒感染，但其他病毒感染也会导致细支气管炎，如腺病毒、人博卡病毒和人偏肺病毒。

These viruses are the same ones that cause the common cold like rhinovirus, coronavirus, influenza virus, respiratory syncytial virus- or RSV for short, and parainfluenza virus.

这些致病病毒与导致普通感冒的病毒相同，如鼻病毒、冠状病毒、流感病毒、呼吸道合胞病毒（简称RSV）以及副流感病毒。