Two new suspected cases of hantavirus have been reported, one in Spain and the other on the remote South Atlantic island of Tristan da Cunha, as experts race to contain an outbreak that began on a luxury cruise ship. The announcements in locations thousands of kilometres apart will fuel concern about a cluster of cases so far associated with three deaths - though the World Health Organisation has repeatedly said the risk to the wider public is low and the virus does not transmit easily. Hantavirus is usually spread by rodents, but in rare cases can be transmitted person-to-person. A 32-year-old woman in the southeastern Spanish province of Alicante has symptoms consistent with a hantavirus infection and is being tested, Spanish health authorities said. She was briefly sitting on a plane behind a Dutch woman who had contracted the virus on the MV Hondius , Secretary of State for Health Javier Padilla told reporters.…