california encephalitis ( ce ) virus ( snowshoe hare subtype ) was isolated from 1 of 38 pools comprising 970 unengorged female aedes canadensis mosquitoes and from 3 of 152 pools containing 5,676 a. communis mosquitoes which were collected in the yukon territory , canada between latitudes 61 and 66 degrees n during june and july 1974 .
C0043438
yukon territory
C0006823
canada