Nat. Med. 16, 967–969 (2010); retracted 15 June 2011

In view of the fact that the authors of “CXCR2 mediates NADPH oxidase–independent neutrophil extracellular trap formation in cystic fibrosis airway inflammation” are retracting their report, we wish to retract our News and Views article, which dealt with the above study and was based on the veracity of its data.