Millions of people will hit the roads, rails and sky this holiday season, and tagging along with them will be hordes of germs ready to spread to the traveling masses.

Despite being surrounded by bacteria and viruses in stores, airports and other public places, there are a few simple ways to minimize the risk of catching a disease, such as the cold and the flu, which could zap the happy out of the holidays.

"You don't want to be a hermit, and you want to enjoy the holidays, but try to use some common sense principles to avoid getting sick," said Dr. Lisa Bernstein, associate professor of medicine at Emory University School of Medicine...

Read more at ABC