 Actually, mice contaminate food and spread disease. Bedbugs? In my suitcase? No. Our hotel was spotless. Actually, bedbugs 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.