Last year only one person in Connecticut developed West Nile virus, and public health authorities believe he contracted it out of state.
West Nile poses little risk to most healthy adults but it can present a deadly threat to the elderly, the very young or those who are already sick or have weakened immune systems.
The 14 towns where mosquitoes tested positive are Bethel, Cheshire, Franklin, Greenwich, Meriden and Milford. Also Danbury, Newtown, Plainfield, Stamford, Westbrook, Weston, Wilton and Windham.
