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The Carts Can Be Filthy
If that cart looks dirty, chances are, it is. It may even have fecal matter pr even E. Coli on the handle. A University of Arizona study showed that 72 percent of examined carts tested positive for fecal matter, and 50 percent of carts tested positive for E. Coli. Grocery stores have started offering antibacterial wipes near the front door for just that reason. By all means, use them and don't let any young ones put their mouths on the cart.