New Hampshire, Maine and Vermont so far this year have had no reported human cases of West Nile or eastern equine encephalitis, according to data from two federal agencies.
Foster's Daily Democrat reports that Massachusetts has had two reported human cases of West Nile this year.
In Maine and New Hampshire, no mosquitoes or animals have tested positive for either disease, while mosquitoes in counties in Massachusetts and Vermont have tested positive for the West Nile virus.
A University of New Hampshire Extension Service entomologist says if conditions remain as cool and dry as they have been as fall approaches, it's possible New England may see no cases of the deadly EEE virus this year.
New Hampshire had three cases of EEE last year, including two that proved fatal.