This isn't news. It's BS intended for mass consumption by idiots.
When you're shaking thousands of hands every day, and before you eat, it might be a good idea to sanitize your hands. But of course in America when you do this in front Obama it has a racist, mean spirited, and xenophobic undertone.
These stories are ridiculous. Perhaps we should return to the days of JFK with women running in and out of the WH, hotel visits, and such and not a peep in the papers.