On 23 August, it will be 100 days since the Bundibugyo strain was first reported. How did it became the DRC’s most deadly outbreak and what must be done to stop it becoming the world’s largest?

He described it as the second-largest Ebola outbreak ever recorded and the fastest-spreading Ebola outbreak to date.

Ebola cases in DR Congo have surpassed 5,000, making it the country's worst outbreak. Africa CDC warns of high spread risk amid ongoing conflict.