Weekly influenza update, week 4, January 2023
Influenza intensity and circulation are decreasing, with transmission remaining at moderate or high intensity in many countries.
![Weekly influenza update, week 4, January 2023](https://www.ecdc.europa.eu/sites/default/files/styles/is_large/public/images/influenza-infographic-week-4-2023_0.png?itok=K-Ai39DN)
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![Weekly influenza update, week 2, January 2023](/sites/default/files/styles/is_thumbnail/public/images/influenza-infographic-week-4-2023.png?itok=7Xs-17Sf)
Weekly influenza update, week 4, January 2023 - EN - [PNG-238.95 KB]