Newsmakers: Infectious disease expert shares what to know about hantavirus

It's a story that has grabbed the world's attention. A hantavirus outbreak on a luxury cruise ship in the South Atlantic Ocean has left three people dead and dozens of others in isolation, including 10 Canadians. Dr. Allison McGeer, an infectious disease specialist at Sinai Health System, joins Newsmakers host Rick Zamperin to explain how this virus works and what we need to know.