Your Body Hosts Trillions of Viruses, and That's OK

Guest: David Pride, Director of Molecular Microbiology, University of California San Diego This time of year we’re all working hard to avoid picking up flu and cold viruses. But our bodies, are in fact, teeming with viruses we wouldn’t want to be without. Just like there are “good bacteria,” we’re also learning there are “good viruses.” And you host tons of them.