In the article by Mozaffarian et al, “Heart Disease and Stroke Statistics—2015 Update: A Report From the American Heart Association,” which published online December 17, 2014, and appeared in the January 27, 2015, issue of the journal (Circulation. 2015;131:e29–e322. DOI:10.1161/ CIR.0000000000000152), several corrections were needed. These corrections have been made to the current online version of the article, which is available at http://circ.ahajournals.org/content/131/4/e29.full.