ACE2 and COVID-19: Our results indicated ACE2-CT genotype association with COVID-19 severity with an OR 2.18 (95% CI) (1.92–3.99), p < 0.010 and also ACE2-CC genotype was linked with COVID-19 severity with an OR 2.66 (95% CI) (1.53–4.62), p < 0.005 (Table 4).