The World Health Organization said the risk of a deadly global hantavirus outbreak remains "absolutely low", but warned more trisha krishnan cases could emerge. Health officials are racing to map the outbreak and trace passengers who left an infected cruise ship before the outbreak was detected. Three people on board died from the virus. The WHO has confirmed five cases so far. The rachel weisz MV Hondius is set to reach the Canary Islands this weekend. Olly Barratt reports from philippines London.
