In the article by Prlic et al entitled “Rapid generation of a functional NK-cell compartment,” which appeared in the September 15, 2007, issue of Blood (Volume 110:2024–2026), the 2 dosages in the figure legend for online-only Figure S2 should have been expressed in micrograms: 1.5 μg of IL-2 and 50 μg of S4B6.

The online index page has been corrected.