In the article by Vogt et al entitled “Heparan sulfate on endothelial cells mediates the binding of Plasmodium falciparum-infected erythrocytes via the DBL1α domain of PfEMP1,” which appeared in the March 15, 2003, issue of Blood (Volume 101:2405-2411), the Figure 4B legend should begin, “DBL1α-GST (□) and GST alone (•)....”