Letters

Partial Retraction

Science  22 Sep 2011:

DOI: 10.1126/science.1212182

Abstract

In our 23 October 2009 Report, "Detection of an infectious retrovirus, XMRV, in blood cells of patients with chronic fatigue syndrome," two of the coauthors, Silverman and Das Gupta, analyzed DNA samples from chronic fatigue syndrome (CFS) patients and healthy controls. A reexamination by Silverman and Das Gupta of the samples they used shows that some of the CFS peripheral blood mononuclear cell (PBMC) DNA preparations are contaminated with XMRV plasmid DNA.

  • Present address: Sierra Internal Medicine, 865 Tahoe Boulevard No. 306, Incline Village, NV 89451, USA.

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