(BBC News) The world is entering "a new phase" where big outbreaks of deadly diseases like Ebola are a "new normal", the World Health Organization has warned.
Previous Ebola outbreaks affected relatively small numbers of people.
But the Democratic Republic of Congo is dealing with the second largest outbreak ever, just three years after the world's largest one ended.
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The WHO said countries and other bodies needed to focus on preparing for new deadly epidemics.