Open Access Highly Accessed Opinion

A cautionary tale of virus and disease

Robin A Weiss

Author affiliations

Division of Infection and Immunity, University College London, 46 Cleveland Street, London, W1T 4JF, UK

Citation and License

BMC Biology 2010, 8:124 doi:10.1186/1741-7007-8-124

Published: 27 September 2010

Abstract

The recent identification of the gammaretrovirus XMRV and a second gammaretrovirus of a different subtype in chronic fatigue syndrome has aroused much interest, not least among sufferers. However, it remains highly controversial whether the detection of these viruses represents true infection or laboratory artifacts.