Massachusetts reports second human West Nile virus case as health officials warn of high risk

Each summer, an ancient negotiation resumes between human civilization and the natural world — and in Massachusetts, that negotiation has grown more urgent. A second confirmed case of West Nile virus, identified in Middlesex County in mid-August 2026, has prompted state health officials to raise risk levels across multiple regions, including Berkshire County, as the season reaches its peak transmission window. The virus, carried silently by mosquitoes and sustained in bird populations, reminds us that the boundaries we draw on maps offer little protection against the older geographies of ecolo