 So I have a mouse. No big deal. Actually, mice contaminate food and spread disease. Bed bugs? In my suitcase? No. Our hotel was spotless. Actually, bed bugs like any place there's people and cause itchy red welts. So I saw a cockroach. Okay, three. It's no emergency. Actually, cockroaches can trigger asthma and spread disease. Household pests are a health threat. Learn how to protect your family at PestWorld.org. A public service message from the National Pest Management Association and the CDC.