The most common causes for viral pneumonia are influenza, parainfluenza, adenovirus, and respiratory syncytial virus (RS病毒性肺炎最常见的病原是流感病毒，副流感病毒，腺病毒，以及呼吸道合胞体病毒(RSV主要发生于儿童)。
The experiment study of the anti-virus effects of zedoary oil on influenzavirus and respiratory syncytial virus;莪术油抗流感病毒和呼吸道合胞病毒作用的实验研究