Xenotropic murine leukemia virus-related virus has been detected in blood cells of patients with chronic fatigue syndrome and in 3.7% of healthy controls from the same geographic region. We evaluated 996 men who were participants in the Multicenter AIDS Cohort Study for xenotropic murine leukemia virus-related virus sequences in blood cells by means of a real-time quantitative PCR assay. Xenotropic murine leukemia virus-related virus was detected in none of the men on the basis of the absence of xenotropic murine leukemia virus-related virus DNA, suggesting that infection may be population-specific.
aNorthwestern University, Chicago, Illinois, USA
bSanta Fe Institute, Santa Fe, New Mexico, USA.
Received 7 January, 2010
Revised 21 April, 2010
Accepted 28 April, 2010
Correspondence to Dr Steven M. Wolinsky, MD, Department of Medicine, Division of Infectious Diseases, Northwestern University Feinberg School of Medicine, 303 East Superior Street, Suite 900, Chicago, IL 60611, USA. Tel: +1 312 695 5090; fax: +1 312 695 5085; e-mail: firstname.lastname@example.org