Recent results have shown that the Δ32-CCR5 polymorphism, the first described genetic correlate of protection against HIV infection, is associated with an increased plasma concentration of high-density lipoprotein (HDL), a reduction of triglycerides in plasma4, and a reduced risk for coronary artery disease and myocardial infarction in the general population5. Here, CCR5 is linked to myocardial infarction.