UNAIDS is not responsible for the content of Science now or for any external publications, papers, reviews or internet sites linked to or referred to in the site. Any views or opinions expressed herein are those of the editors and not of UNAIDS.

Science now is a free service. When you register to make comments you are therefore agreeing with this disclaimer. Any copying, redistribution or republication of HIV this month, the Science now digest, for commercial gain is strictly prohibited.

HIV this month, published by UNAIDS, is a selective scan of new HIV-related information found in scientific journals. The Editors of HIV this month interpret original abstracts and provide editorial comment, so that information may be easily understood by people responding to the HIV epidemic in many diverse settings. The selection of material, its abridgement and other editorial changes, and also the original editorial comment are the responsibility of the Editors and do not represent any official statement of UNAIDS. It should be noted that (except for open access journals, e.g. PLoS) the authors and/or publishers retain copyright in the original published material to which HIV this month refers.