America's rodent problem by the numbers

Mice and rats carry diseases, aggravate asthma and allergies and increase the risk of fire by chewing through electrical wires. And, of course, nobody wants droppings in the basement or kitchen cupboard.

There is nothing quite as frightening, disturbing or violating as discovering your home has been breached by rodents or other small critters. Perhaps you discovered chewed wires in the basement garage, droppings in your kitchen or tiny footprints in the garage — whatever you found, you likely want those little critters out, and now.

Rodent infestations are a serious, growing issue in the United States, and not just because rodents are “pests” or minor annoyances, but because infestati