OAS1 and COVID-19: In up to 14,134 cases and 1.2 million controls, Zhou et al. found that higher plasma OAS1 protein level is related to reduced susceptibility (OR = 0.78, P = 8 × 10-6), hospitalization (OR = 0.61, P = 8 × 10-8), and COVID-19 death or ventilation (OR = 0.54, P = 7 × 10-8) (9).