CDKN2B and COVID-19: Regarding the relation of CDKN2B-AS1 (rs1333049) genotype distribution in severe COVID-19 patients, there was a significant association of lower WBCs (P < 0.001), lower platelet count (P < 0.001), lower HDL (P = 0.027) and higher ferritin level (P < 0.001) in G/C and C/C genotypes compared to the G/G genotype.