OAS1 and COVID-19: Protein level of OAS1 showed an effect on COVID-19 severity in Europeans using both HGI v6 (OR=0.827, 95%CI=0.732 to 0.934, P = 2.3 × 10−3) and GenOMICC v2 data (OR=0.735, 95%CI=0.627 to 0.863, P = 1.7 × 10−4), where no valid OAS instrument was available in Africans.