Abstract
West Nile Virus - Mosquitoes No Longer Just an Annoyance!
Highlights
THE EPIDEMIC West Nile virus (WNV) was first discovered in Uganda in 1937 and subsequently has been found in several areas in Africa, Asia, the Middle East and Oceania [1,2,3]
WNV is an arbovirus of the Flavivirus genus in the serocomplex that includes Japanese B encephalitis, St Louis encephalitis, and Murray Valley and Kunjin viruses
In 2002, the Canadian Pest Management Regulatory Agency recommended that: DEET should not be used on children younger than six months of age; children aged six months to two years should be limited to one application per day; children aged two to 12 years should be limited to three applications per day; and the maximum concentration used should be 10% or less for children up to 12 years of age and up to 30% for those over 12 years [24]
Summary
Avoiding infested areas, limiting outdoor activities at times of high mosquito activity such as dawn and dusk, and screening of windows and doors reduce exposure. Mosquito traps and ultrasonic and other devices designed to distract mosquitoes from people are not well studied but appear to have limited activity and may attract more mosquitoes into the area (1,2,18,19 )
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