Before revision: In 2014, the Healthmap software spotted the West African Ebola epidemic nine days before the WHO announced it, triggering a global response tracked early press and social media reports of a hemorrhagic fever in West Africa, subsequently identified by WHO as Ebola.
After revision: In 2014, the Healthmap software March tracked early press and social media reports of a hemorrhagic fever in West Africa, subsequently identified by WHO as Ebola.