Wang Q. et al. (2021)reported that QFPDD combined with Western treatment demonstrated favorable outcomes including improving clinical symptoms and promoting the absorption of lung lesions in elderly COVID-19 patients. We also observed improvements in white blood cell count, lymphocyte count, C-reactive protein, lactate dehydrogenase, and creatine kinase after QFPDD administration, which is consistent with previous studies (Xin et al., 2020). This evidence concerns the gene CRP and COVID-19.