CCR5 and atherosclerosis: A meta-analysis of 13 studies assessed whether individuals carrying the CCR5Δ32 variant could be either protected or at risk for atherosclerosis-related cardiovascular diseases and indicated that the CCR5 Δ32-positive genotype (Δ32/Δ32 or wt/Δ32) increases the risk of atherosclerotic disease only in Asian populations (42).