 Elena had another asthma attack. She's really sad to miss school again. Asthma can be triggered by allergens from common pests. I just can't shake this fever. Mosquito bites can cause West Nile and Zika virus infections. Sorry, boss. I'm going to be out of work for a while. The CDC estimates that more than 300,000 Lyme disease cases spread by ticks occur in the U.S. each year. Don't let pests force you to take a sick day. Learn how to protect your family at pestworld.org. A public service message from the National Pest Management Association and the CDC.