Marburg virus:

'Severe than Ebola' disease hits Rwanda

What?

Marburg virus has claimed 11 lives in Rwanda

Marburg:

Marburg is from the same family as Ebola -- the Filoviridae (filovirus)

Fatal disease:

Marburg virus is more severe than Ebola

How fatal?

About half of all those who contract the Marburg virus are unlikely to survive

Research:

It can take between two and 21 days for symptoms to show, claims WHO

Risks:

It causes a haemorrhagic fever, that can damage the walls of blood vessels

Cause of death:

Internal bleeding caused by the haemorrhagic fever can claim the patient's life

Critical:

In severe cases, the patient may die eight or nine days after symptoms start to show

The name:

The virus was first identified in 1967 in a town in Germany called Marburg and thus the name