A cruise ship hit with a deadly hantavirus outbreak is headed for Spain's Canary Islands, where most of the nearly 150 people on board will be evacuated and flown home after weeks at sea.

A cruise ship hit by a deadly hantavirus outbreak will reach the Spanish island of Tenerife "within three days", with the evacuation of passengers to start from May 11, Spain said…

As the remaining passengers head for the Canary Islands we look at how the virus spreads and what is being done