Weekly influenza update, week 12, March 2023
Following a peak at week 51/2022, influenza activity had been decreasing across the Region until week 4/2023 when it reached 22% positivity before rising again to fluctuate around 25% positivity between weeks 6 and 11/2023 before decreasing again to 22% positivity in week 12/2023.
![Weekly influenza update, week 12, March 2023](https://www.ecdc.europa.eu/sites/default/files/styles/is_large/public/images/flu-infographic_2023_week12.png?itok=BMoadJ12)
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![Weekly influenza update, week 12, March 2023](/sites/default/files/styles/is_thumbnail/public/images/flu-infographic_2023_week12.png?itok=xwcRh0VQ)
Weekly influenza update, week 12, March 2023 - EN - [PNG-241.63 KB]