The current Ebola outbreak has been declared a Public Health Emergency of International Concern by the World Heath Organisation.
The threat never went away - why Ebola and Hantavirus are putting global health systems back under pressure
The names alone are triggering anxiety around the world, one more familiar than the other. Ebola and Hantavirus.
And they have both returned to the global spotlight, on different continents, but with the same outcome: death.
The escalating Ebola outbreak in Central Africa has international health authorities scrambling, while renewed concern around Hantavirus - including rare reports of possible human-to-human spread - has reignited fears about how quickly infectious diseases can evolve.
