The Connecticut Agricultural Experiment Station reports that so far this summer mosquitoes have tested positive for West Nile virus in 30 Connecticut towns: Branford, Bridgeport, Cromwell, Danbury, Darien, East Haven, Easton, Fairfield, Greenwich, Groton, Hamden, Hartford, Litchfield, Meriden, Milford, New Britain, New Canaan, New Haven, North Haven, Norwalk, Orange, South Windsor, Stamford, Stratford, Tolland, Trumbull, West Brook, West Haven, Westport, and Woodbridge. One Connecticut residents was identified with an illness related to the infection this year. Residents are urged to take precautions. People should use insect repellent and stay indoors during dusk and dawn, when mosquitoes are most active. In 2010, West Nile virus-positive mosquitoes were trapped in 24 Connecticut towns with 11 reported human cases. For information on West Nile virus and what you can do to prevent getting bitten by mosquitoes, visit the Connecticut Mosquito Management Program Web site.