The deadly hantavirus outbreak has spread to Europe after a passenger who had already left the MV Hondius cruise ship tested positive once back home, authorities announced in an alarming update Wednesday. Swiss authorities said the man returned home last month following a trip to South America with his wife before testing positive for the virus, which can lie dormant for up to eight weeks. He went to a Zurich hospital for testing after the cruise operator, Oceanwide Expeditions, emailed recent passengers about the spreading virus that has killed three people and sickened at least five, the World Health Organization said . A boat next to the MV Hondius, which has been hit by an hantavirus outbreak. via REUTERS It was not immediately clear what condition the man is in after the latest positive test. His wife hasn’t shown any symptoms but she is self-isolating as a precaution.…