Christian Petersen/Getty Images

View of Olympic Rings in the Olympic Park in London, England. (Photo by Christian Petersen/Getty Images)

Health officials have taken extraordinary measures to monitor travelers making their way to and from the Games. Their focus sounds like something closer to a movie thriller than a public health concern. Officials are hoping to prevent the outbreak of a contagion, that visitors could contract at the Olympics, that may spread across the globe.

Guest:

Here to talk about what health officials are doing to prevent such a catastrophe is Dr. Kamran Kahn. He's a medical researcher at the University of Toronto and he studies the spread of infectious disease.