Vaccination reduced measles deaths worldwide by almost three-quarters over the past decade, from an estimated 535,300 in 2000 to 139,300 in 2010, says a study published on 24 April. In 2008, the World Health Organization set a target of 90% reduction by 2010. But progress slowed because mass-vaccination campaigns were delayed in India (where 47% of all 2010 measles deaths occurred) and there were measles outbreaks in southern Africa.
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