- As the weather cools, female mosquitoes live longer and are therefore more likely to transmit pathogens.
- Health departments and mosquito abatement districts across the country are still trapping mosquitoes infected with WNv.
- Historically, approximately half of the human cases of WNv in the United States occur in September and October.
- As of September 18, the Centers for Disease Control and Prevention https://www.cdc.gov/ has reported West Nile virus activity in people, birds or mosquitoes in 47 states and the District of Columbia. Also, there have been 1,077 laboratory-confirmed cases of human illness and 35 deaths caused by WNv.
Summer is winding down but blood-thirsty mosquitoes are still on the wing, looking for that last delicious blood meal of 2018. And, the risk of acquiring West Nile virus (WNv), or another mosquito-transmitted pathogen, will continue in your area until the first hard frost. Be aware that: