Megyn Kelly and an audience member test their knowledge of keeping germs at bay
03:59
Share this -
copied
Dr. Jennifer Caudle put Megyn Kelly and one audience member to the test to see if they know how to guard against germs. Find out how long flu germs can live on surfaces, what unexpected surface areas are germ-breeding grounds and whether or not toothbrush covers actually work.March 20, 2018
UP NEXT
How to prepare for the 2023 allergy season
05:03
What is a ‘liquid biopsy’ and how does it monitor colorectal cancer?
04:59
More children than ever being diagnosed with autism: CDC
02:32
How to protect yourself -- and your pets -- during tick season
03:59
Home remedy hacks for headaches, hiccups, dry skin and more