Weekly influenza update, week 5, January 2023
Influenza activity had been decreasing across the Region since week 51/2022, with a slight increase in positivity in primary care sentinel observed in week 5/2023 related to type B virus circulation. Influenza intensity remains at moderate or high levels in many countries.
![Weekly influenza update, week 5, January 2023](https://www.ecdc.europa.eu/sites/default/files/styles/is_large/public/images/influenza-infographic-2023-week5.png?itok=bH9eRtkN)
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![Weekly influenza update, week 5, January 2023](/sites/default/files/styles/is_thumbnail/public/images/influenza-infographic-2023-week5.png?itok=kovW_BQC)
Weekly influenza update, week 5, January 2023 - EN - [PNG-240.65 KB]