An unusual, but disastrous outbreak of avian flu

The latest outbreak of avian flu is affecting birds from Europe to South America to Canada — and it’s not only impacting poultry supply, but it’s also killing seabirds. For more on why things are so bad this year, Matt Galloways speaks with Amanda Brittain, chief information officer for the BC Poultry Association; Alastair MacGrugan, who works with the Scottish nature agency NatureScot; and Shayan Sharif, a professor of immunology at the University of Guelph in Ontario.