As countries struggle to cope with the social impact of AIDS, scientists are beginning to realise just how complex an enemy they face in HIV. At heart is the puzzle of the way the virus causes disease, and the search for drugs and vaccines
IT is only 13 years since scientists first recognised AIDS, the acquired immune deficiency syndrome. Yet this disease has changed the world. Already, some 14 million people have been infected with the human immunodeficiency virus (HIV) which causes AIDS. Within the next eight years, the World Health Organization predicts, this figure will at least treble,…
