What you need to know about this season’s brutal flu

This year's flu outbreak is the most widespread the Centers for Disease Control has ever seen. Doctor visits are climbing and pediatric deaths from the illness are up as well. What makes it so severe? Dr. Amber Robins of Georgetown University joins John Yang to discuss the flu vaccine and other tips for prevention.


(Source: PBS NewsHour, https://www.youtube.com/watch?v=HMXvihfkwLc)