New research finds no association between virus, chronic fatigue syndrome.
The Los Angeles Times (2/19, Maugh) "Booster Shots" blog reported that in October, researchers in Nevada "found a mouse virus called xenotropic murine leukemia virus-related virus, or XMRV, in blood from 68 of 101 patients with chronic fatigue syndrome, but in only eight of 218 healthy patients." Meanwhile, another group "reported that they found the virus in about a quarter of prostate cancer patients," and "it seemed science was moving toward finding a cause for the perplexing disorder."
But, in similar findings to another group of UK investigators, scientists at the London-based MRC National Institute for Medical Research "found no link between the condition and xenotropic murine leukemia virus-related virus," HealthDay (2/19, Dotinga) reported. "In a news release from" Retrovirology's publisher, the current study authors said their "tests were more sensitive than those used in the earlier research." They pointed out, however, that "chronic fatigue syndrome is probably made up of several diseases and may still be related to the virus."
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