ACE2 and COVID-19: Moreover, we found that the AA genotype, A allele of ACE2 G8790A, and AG genotype of AT2R A1675G increased the risk of COVID-19 in the infected group (OR = 3.50, 95% CI = 1.18–10.3; OR = 2.49, 95% CI = 1.39–4.48; and OR = 3.08, 95% CI = 1.28–7.38, respectively).