Massachusetts confirms seventh West Nile case; state raises risk to moderate
A man in his 60s in Worcester County is the first confirmed case there; virus detected in 307 mosquito samples statewide.
What to know
- Massachusetts has confirmed seven human West Nile cases in 2026, including the first in Worcester County; the virus appears in 307 mosquito samples across all but one county.
- State health officials raised risk to moderate in most of the state due to increased activity, with only limited areas remaining at low risk.
- Dr. Robbie Goldstein urged residents to use repellent, wear protective clothing, and drain standing water to reduce mosquito breeding until the first hard frost.
Dr. Robbie Goldstein State Public Health CommissionerMassachusetts Department of Public Health Public health authority
How it unfolded 1 development · click the chart to see its coverage articlesposts
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State raises risk level to moderate statewide
State Department of Public Health raises West Nile virus risk to moderate in most Massachusetts counties due to increased activity, with only Dukes, Nantucket, and two Barnstable towns (Provincetown and Truro) remaining at low risk.
“Because some risk will continue until the first hard frost, I want to encourage everyone to keep using mosquito repellent and take other protective measures.”
— Dr. Robbie Goldstein -
first by Yahoo, 13d ago · also Boston Globe
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Seventh human case confirmed in Worcester County — A man in his 60s tests positive for West Nile virus after exposure in Worcester County, the first confirmed human case in that county and the seventh statewide. Six prior cases included three men in Suffolk County and three in Middlesex County.
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State announces first West Nile positive mosquitoes — Massachusetts Department of Public Health announces detection of West Nile virus in mosquito samples, marking the beginning of the 2026 outbreak tracking.
Also covered reported alongside — the timeline has no entry for these yet
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first by Boston.com, 13d ago · also Boston Globe, MassLive
3 more headlines
- Seventh human case of West Nile virus reported in Mass. after exposure in Worcester County The Boston Globe · 13d ago
- West Nile virus risk level raised to moderate across Mass. after 7th human case MassLive · 11d ago
- Mass. reports 8th human West Nile virus case as risk remains high across Boston area MassLive · 6d ago