Two new human cases of West Nile virus have been confirmed in Massachusetts this year, stated the Massachusetts Department of Public Health. These recent reports bring the total number of confirmed human cases of West Nile virus in the state to eight this season. Following these recent cases, state health officials have raised the West Nile virus risk level to high in Arlington, Chelsea, Medford, and Waltham. According to a NewsCenter 5 Boston report, since the first detection of West Nile virus-positive mosquitoes on June 17, a total of 445 mosquito samples have tested positive across multiple counties. The Boston Globe reported that, in addition to West Nile virus, Eastern equine encephalitis (EEE) has been detected in 23 EEE-positive mosquito samples this year.