Scientists conclude mouse virus does not cause ME

A virus that originates in mice, which last year was hailed as a possible cause of chronic fatigue syndrome, or ME, is not the cause of the disease, say scientists.

Four papers published by the journal Retrovirology all come to the conclusion that the finding of the mouse virus XMRV in human cell samples was not the breakthrough that researchers and doctors had hoped for. Further research suggests that the samples were contaminated with mouse DNA.

“Our conclusion is quite simple: XMRV is not the cause of chronic fatigue syndrome,” says Professor Greg Towers, a Wellcome Trust Senior Research Fellow at University College London (UCL) and an author of one of the papers.

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