The development of an attenuated measles virus vaccine gave us a tool to co
mbat a disease which has ravaged the child population throughout the centur
ies. Three decades later the vaccine has shown its qualities and its proble
ms. Using this vaccine the WHO have decided an a measles eradication policy
. This article discusses some of the issues which are being addressed and p
ossible solutions. (C) 1999 Elsevier Science Ltd. All rights reserved.