Fecal bacteria ‘rampant’ on New York sidewalks, researchers find

Co-author advises taking off your shoes at the door after studying dog poop on Upper East Side

Researchers at New York's Marymount College have published a study that, in its essence, attempts to establish how much dog poop footwear carries into the homes of New Yorkers on the affluent Upper East Side.

The study, released to the Indoor and Built Environment journal, concludes there's a strong argument for leaving your outside shoes at the door - or risk tracking fecal bacteria around the house.