viral pneumonia

例句：

1. 1.Viral pneumonia is a serious condition that can be easily spread by coughing or sneezing.
   病毒性肺炎是一种可以通过咳嗽或打喷嚏轻易传播的严重状况。
2. 2.The patient was diagnosed with viral pneumonia and required hospitalization for treatment.
   该患者被诊断出患有病毒性肺炎，并需要住院治疗。
3. 3. Early detection and treatment of viral pneumonia can significantly improve the prognosis.
   早期发现和治疗病毒性肺炎可以显著改善预后。