West Nile Virus in Montana
As of September 2026, Montana has 3 West Nile Virus alerts in the past 30 days (3 confirmed cases).
Risk Level
🟡 Moderate
Isolated cases — monitor the situation
Cases (30 days)
3
Total Cases
3
Counties Affected
3
Most recent West Nile Virus alert in Montana: Sep 4, 2026
West Nile Virus Alerts in Montana
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