Both the cold and the flu viruses are transmitted very easily.  As people travel and congregate for work or get-togethers, it’s easy to pick up the virus from the person next to you on the airplane, in line at the checkout counter, or when you kiss grandma on the cheek. So what can you do to support your immune system and ward off these nasty infections, even if you come into contact with it? Listen to hosts Brenna Thompson and JoAnn Ridout to find out how you can keep your immune system strong all year long.