Weekly respiratory virus update, week 45, November 2025

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14 Nov 2025

Influenza activity is increasing in the EU/EEA, earlier than in recent seasons, and RSV activity remains low. SARS-CoV-2 activity is stable or decreasing.

Weekly respiratory virus update, week 45, November 2025

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Seasonal influenza is a preventable infectious disease with mostly respiratory symptoms. It is caused by influenza virus and is easily transmitted, predominantly via the droplet and contact routes and by indirect spread from respiratory secretions on hands etc.

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Weekly respiratory virus update, week 45, November 2025

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Seasonal influenza

Respiratory syncytial virus (RSV)

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