In the article by Airoldi et al entitled “Lack of Il12rb2 signaling predisposes to spontaneous autoimmunity and malignancy,” which appeared in the December 1, 2005, issue of Blood (Volume 106:3846-3853), an author name was misspelled. The eighth author's name should have been Mario Paolo Colombo.

This byline error was corrected online in departure from print.