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First Human West Nile Virus Case Confirmed in Massachusetts

9/3/2025

30 4 Full Breakdown

Summary

Story summary

A woman in her 70s is the first confirmed human case of West Nile Virus in Massachusetts for 2025, linked to Middlesex County.
The Massachusetts Department of Public Health has reported 319 positive mosquito samples this season, indicating high risk in 10 municipalities.
Officials advise residents to take precautions against mosquito bites, as the risk remains high through September.

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Story summary

A woman in her 70s is the first confirmed human case of West Nile Virus in Massachusetts for 2025, linked to Middlesex County.
The Massachusetts Department of Public Health has reported 319 positive mosquito samples this season, indicating high risk in 10 municipalities.
Officials advise residents to take precautions against mosquito bites, as the risk remains high through September.