When the results of these five laboratory parameters which are valuable in the follow-up of the prognosis of the disease (blood lymphocyte count, serum ferritin, CRP, D-dimer levels and PNL/L ratio) were evaluated; it was found that ivermectin was effective in the treatment of COVID-19, it seems to provide an earlier treatment response and supports the idea that ivermectin or adding ivermectin to current treatment protocols may be an option for the treatment of COVID-19. The gene discussed is CRP; the disease is COVID-19.