I’ve written a few times  here about the battle over a virus called XMRV, and its supposed link to chronic fatigue system. I just wanted to point this morning to a few articles by some fine writers about the latest twist: the paper that first claimed a link has been completely retracted.

Ivan Oransky in Reuters

Jon Cohen in Science

Ewen Callaway in Nature

[Image: Wikipedia]

Originally published December 22, 2011. Copyright 2011 Carl Zimmer.