May 12 (UPI) -- The World Health Organization said Tuesday that it did not believe a deadly hantavirus outbreak on a Dutch cruise ship that killed three people and infected at least nine others would turn into a more widespread flare-up. Speaking at a news briefing in Madrid, WHO Director General Tedros Adhanom Ghebreyesus said there was "no sign that we are seeing the start of a larger outbreak ." However, Ghebreyesus warned the joint briefing with Spanish Prime Minister Pedro Sanchez that the