Those gloves that the TSA screeners are wearing for those outrageously intrusive pat-down searches? Consider how many armpits, bottoms and groins those gloves have touched by the time they get to yours.
No, those gloves are for the health of TSA employees, not you. For your health they care even less than they do your privacy rights.
So, get the Lysol out, Grandma. Your kids may be bringing something else to your house besides the kiddies.