Is the hantavirus outbreak a warning sign of climate change?

A deadly hantavirus outbreak aboard the MV Hondius cruise ship has captured headlines over the past few weeks. Beyond the immediate public health crisis, scientists are looking at the climate factors that may be driving the spread of this rodent-borne disease into new areas. Climate Watch host Zhao Ying speaks with Dr. Kirk Douglas, Director of the Center for Biosecurity Studies at The University of the West Indies, Barbados.