Emergency vaccination campaigns have slashed deaths from major infectious disease outbreaks by nearly 60 per cent since 2000, ...

Thanks to the introduction of a vaccine in 1963, measles was declared eliminated in the US in 2000. Now the highly contagious disease has reemerged as a threat as declining vaccination rates fuel ...

Yahoo News answers some of the most frequently asked questions about measles amid the multi-state outbreaks that started in ...