| ARDS | acute respiratory distress syndrome |
| BCV | Brincidofovir |
| CC50 | half-maximal cytotoxic concentration |
| CDV | Cidofovir |
| CRP | C-reactive protein |
| DBP | DNA-binding protein |
| EC50 | half-maximal effective concentration |
| FYHJ | Feiyanheji |
| HAdV | human adenovirus |
| HELF | human embryo lung fibroblasts |
| HRRF | host range restriction factors |
| LOS | length of hospital stay |
| MOI | multiplicity of infection |
| PDGF-BB | platelet-derived growth factor-BB |
| PFU | plaque-forming units |
| PSM | propensity score matching |
| QJHJ | Qingjieheji |
| RIPA | radioimmunoprecipitation assay |
| SHHS | Sanhan Huashi Formula |
| SI | selectivity index |
| TCM | traditional Chinese medicine |
| TGF-β1 | transformation growth factor-β1 |
| TNF-α | tumor necrosis factor-α |
| VCAP | viral community-acquired pneumonia |
| YDZK | Yindaizhikeheji |
| YZ | Yuanzhixingrenheji |