VT Dept. of Health
Weekly Flu Surveillance Report
Timeframe: 01/19/2025 - 01/25/2025
• Vermont is working with CDC to refine the state Influenza-like Illness (ILI) Activity Level used in weekly reporting. This information will be updated as it becomes
available.
• Current Vermont ILI activity is increasing, with more people seeking care for ILI.
Patient visits for ILI are within an expected range for the flu season.
• COVID-19 and other respiratory illnesses are also being spread during this flu season.
Vaccination and respiratory illness prevention strategies are recommended. Visit healthvermont.gov/StayHealthy for respiratory virus prevention and treatment
information.
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Laboratory Data
The National Respiratory and Enteric Virus Surveillance System (NREVSS) collects data on the number of PCR flu tests performed by participating Vermont labs and how many were positive. This helps determine flu activity in the community.
37.27% of flu PCR tests run this week were positive compared to 23.92% the previous week. Of the total tests this week, about 36.9% were flu A positive and less than 1%
were flu B positive. During the 2024-25 season, about 10.1% of flu PCR tests reported through NREVSS have been positive.
Continued: https://www.healthvermont.gov/sites/...rt-week-04.pdf
Weekly Flu Surveillance Report
Timeframe: 01/19/2025 - 01/25/2025
• Vermont is working with CDC to refine the state Influenza-like Illness (ILI) Activity Level used in weekly reporting. This information will be updated as it becomes
available.
• Current Vermont ILI activity is increasing, with more people seeking care for ILI.
Patient visits for ILI are within an expected range for the flu season.
• COVID-19 and other respiratory illnesses are also being spread during this flu season.
Vaccination and respiratory illness prevention strategies are recommended. Visit healthvermont.gov/StayHealthy for respiratory virus prevention and treatment
information.
-snip-
Laboratory Data
The National Respiratory and Enteric Virus Surveillance System (NREVSS) collects data on the number of PCR flu tests performed by participating Vermont labs and how many were positive. This helps determine flu activity in the community.
37.27% of flu PCR tests run this week were positive compared to 23.92% the previous week. Of the total tests this week, about 36.9% were flu A positive and less than 1%
were flu B positive. During the 2024-25 season, about 10.1% of flu PCR tests reported through NREVSS have been positive.
Continued: https://www.healthvermont.gov/sites/...rt-week-04.pdf
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