We found that CRP correlated with IL-6 in either COVID-19 or non-COVID-19 patients (rs = 0.65, p < 0.001 and rs = 0.72, p < 0.001, respectively), and that NP correlated with CRP in non-COVID-19 patients (rs = 0.618, p = 0.00217). This evidence concerns the gene CRP and COVID-19.