DEET is the chemical found in insect repellents. DEET is also called N,N-Diethyl-
meta-toluamide, or diethyltoluamide. It is a slightly yellow oil intended to be applied to the
skin or to clothing and provides protection against mosquitoes, ticks, fleas, chiggers, leeches and many biting insects. You spray it on your arms and legs and get a few hours of protection. Mosquito bites are
itchy and sometimes carry West Nile Virus