MALDEN, MASS. (WHDH) - State officials have elevated risk levels for West Nile virus in areas north of Boston after a positive case of the virus was found in a mosquito in Malden.
Department of Public Health officials said they would trap and test a mosquito pool collection from Medford Street near Devir Park Monday.
Officials raised the West Nile risk level to moderate for Chelsea, Everett, Lynn, Malden, Melrose, Revere, Saugus and Winthrop.
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