Drug-resistant HIV 'on increase' in sub-Saharan Africa

Drug-resistant HIV has been increasing in parts of sub-Saharan Africa over the last decade, according to experts writing in the Lancet.

Studies on 26,000 untreated HIV-positive people in developing countries were reviewed by the team. 

They said resistance could build up if people fail to stick to drug regimes, and because monitoring could be poor.full story:- bbc