Moreover, a cross-sectional study evaluating the clinical course of maternal mortality cases due to severe forms of COVID-19 found a higher frequency of leukocytosis with elevated neutrophils to lymphocytes ratio, low platelet count, and elevated levels of inflammatory markers such as CRP, serum ferritin, LDH, D-dimers, and serum fibrinogen in their cohort of unvaccinated pregnant patients. This evidence concerns the gene CRP and COVID-19.