There is no doubt about it- winter is here! Freezing temperatures, cold air, ice and snow make the warmth inside your house cozy and inviting, especially to vectors. A vector is any animal or insect that can transmit disease to humans, such as mosquitoes, rodents, cockroaches, fleas and ticks. These vectors are well-known for spreading diseases (including West Nile Virus, Hantavirus, Plague, and Lyme disease to humans and other animals), as well as causing nuisance and unsanitary conditions. View the News Release.