dr. kelly reynolds with the university of arizona face timing with us and telling us about her 2013 study to see how germs travel in an office. she infected one workers hand with the surrogate virus. workday, half of the surfaces were positive for the virus. >> think of all the services you touch at the office and the multiply that every time one of your coworkers touches the same surface. think about it. what was the last time you wipe down your mouse? >> people go to work for a they feel like they have work to do and they feel like it too important to the team. it is better to stay home. >> if you are so important to the team, avoid getting the team sick. >> wipe down your desk. wipe down your keefe -- your keyboard and so -- and cell phone. >> the spread of the flu we worry about. when i sneeze or cough, if i feet or so. if someone accidentally sneezes on you, try to clean up. if i have a flu nics on the countertop it can be alive for up to 2 hours. >>> get ready for the holiday travel rush. how many people are expected to head out of town this thanksgiving and white most of them are c