 Chloe, put your helmet on. Okay, Dad. You work hard to protect your family, but some risks are easy to miss. Mosquito bites can spread germs that cause West Nile virus or Zika virus. Cockroaches leave behind bacteria as well as allergens that can trigger asthma attacks. Stinging insects send more than half a million people to the emergency room every year. Common pests can threaten our health. Learn how to protect your family at pestworld.org. A public service message from the National Pest Management Association and the CDC.