Maryland officials discuss West Nile virus surveillance and mosquito control measures

The Mosquito Control Community Meeting held on July 9, 2025, in College Park, Maryland, focused on the ongoing challenges posed by West Nile virus and the community's efforts to manage mosquito populations. The meeting highlighted the importance of surveillance and proactive measures to prevent the spread of the virus, which primarily affects birds before it can impact humans.

Officials confirmed that West Nile virus remains a significant concern in the area, with a consistent presence in the mosquito population. They noted that the frequency of positive cases can vary year by year, influenced by environmental factors and the overall health of the bird population. The Maryland Department of Health collaborates with local agencies to monitor mosquito activity and respond to any human cases that arise.

One of the key tools discussed for mosquito control is the use of "mosquito dunks," which are corn-based products that release bacteria harmful to mosquito larvae when placed in standing water. While these dunks are available at local hardware stores, the Maryland Department of Agriculture does not currently have a distribution program for them. Residents were advised to secure the dunks to prevent pets and wildlife from consuming them, which would render them ineffective.

The meeting also addressed concerns about dead birds found in residential areas, which may be linked to West Nile virus or other diseases such as bird flu. Participants were encouraged to report any findings to the Maryland Department of Health for testing, as identifying the cause of bird deaths can help in understanding the broader implications for public health.

Overall, the meeting underscored the community's commitment to mosquito control and public health safety, emphasizing the need for ongoing education and collaboration among residents and health officials. As the summer progresses, officials will continue to monitor mosquito populations and respond to any emerging health threats.