Our results indicated that in the codominant model, the ACE2-CC genotype (TT vs. CC) was strongly associated with increased COVID-19 mortality OR 3.66 (95%) CI = (1.34 to 9.97), RR = 1.90 (1.10–3.30), p < 0.011 (Table 11). Here, ACE2 is linked to COVID-19.