Dirty Children?

A recent column in the Times cites a study claiming that playgrounds and daycare centers are almost twice as contaminated with bacteria as public restrooms (46% to 25%).

"The study also found that in about 86% of cases, the contaminants on a surface were transferred to an individual’s hands, and then, in 82% of cases, to personal belongings."

So here's the Math Problem of the Day: Is touching a kid's hands, or clothing, or sippy cup, or teddy bear worse for your health, or better, than kissing a toilet bowl?