As of 2026-08-21, active Eastern Equine Encephalitis reporting is limited to Massachusetts in the United States. No confirmed case counts or deaths are provided in the verified report, so the quantified disease burden and trend (increasing, decreasing, or stable) cannot be determined from the available data. The reported public health impact in Massachusetts is assessed as low, suggesting limited current population-level disruption. No additional outbreak characteristics, transmission risk details, or clinical severity patterns are described in the report.