We thank professor Frits R. Rosendaal of the Department of Clinical Epidemiology at the Leiden University Medical Center (LUMC) for kindly contributing the data from the MEGA study and Ingeborg de Jonge for delivering the data; professor Christa M. Cobbaert and Jolanda Verhagen at the Central Laboratory of Clinical Chemistry at the LUMC for the analyses of CRP; and Jaco Verweij and Lisette van Lieshout at the Department of Parasitology at the LUMC for contributing the measurements of malaria. This evidence concerns the gene CRP and malaria.