Fig. 2From: ApoE4 associated with severe COVID-19 outcomes via downregulation of ACE2 and imbalanced RAS pathwayApoE4 is associated with the increased risk and severity of COVID-19. Forest plot of the association of ApoE gene polymorphism (ε4 carrier genotypes versus non-ε4 carrier genotypes) with the risk (A) and severity (B) of COVID-19Back to article page