Media playback is unsupported on your device

Bone marrow 'frees men of HIV drugs'

3 July 2013 Last updated at 11:34 BST

Two patients have been taken off their HIV drugs after bone-marrow transplants seemed to clear the virus from their bodies, doctors report.

One of the patients has spent nearly four months without taking medication with no sign of the virus returning.

The team at Brigham and Women's Hospital, in the US, cautioned that it was far too soon to talk about a cure as the virus could return at any point.

James Gallagher reports.

BBC © 2014 The BBC is not responsible for the content of external sites. Read more.

This page is best viewed in an up-to-date web browser with style sheets (CSS) enabled. While you will be able to view the content of this page in your current browser, you will not be able to get the full visual experience. Please consider upgrading your browser software or enabling style sheets (CSS) if you are able to do so.