An expert completely dismissed the myth that a dog's mouth is much cleaner than a human's. Warning as hand, foot and mouth disease sweeps across the surface. Great men have reaching hands: oft have I struck. The steep foot of the sculpture Alison Lapper Pregnant, which was on display in Trafalgar Square from September 2005 until late 2007. Fungal skin infections, like athlete's foot, are common and easy to spread.