Overview

• Massachusetts Department of Public Health identified its first animal infection of the season in a goat in Lunenburg, prompting moderate-risk warnings for Lunenburg, Leominster, Shirley and Fitchburg.
• Illinois Department of Public Health data show nine of 214 mosquito batches in Lake County have tested positive for West Nile virus to date.
• The Lake County Health Department reported its first human West Nile case in a resident in their 70s who became ill in early July, marking Illinois’s second human infection this year.
• No human cases have been detected in Massachusetts this season, though state surveillance has confirmed ten positive mosquito samples through mid-July.
• Public health officials urge people—especially those over 50—to use EPA-registered repellents, eliminate standing water and avoid peak mosquito hours as transmission peaks later this summer.