摘要：Measles is the most important cause of vaccine-preventabledeath in the world. In 1998, there were an estimated 30million measles cases and 880,000 measles-associateddeaths worldwide with 85 per cent of deaths occurring inAfrica and South East Asia.1In recent years a dramaticreduction in measles incidence and the elimination ofendemic measles transmission has been achieved in anumber of countries using a variety of vaccinationstrategies
