Another mosquito pool in Boston has tested positive for West Nile Virus.
Tests performed on Aug. 15 confirm a WNV-positive mosquito pool in Roxbury for the first time this season.
Mosquito pools in East Boston, Hyde Park, Jamaica Plain and Roslindale tested positive for WNV earlier in the summer.
The alert level remains at moderate.
There have been no recorded human cases of the mosquito-borne illness in Boston this year.
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