Nat. Genet. 48, 308–313 (2016); published online 1 February 2016; corrected after print 6 March 2017

In the version of this article initially published, in Figure 2b, in the panel called “CNS infections” the bar of CC3 should have been represented in red and the one of CC121 should have been represented in blue. The errors have been corrected in the HTML and PDF versions of the article.