Weekly Influenza Surveillance Reports for Wales: Flu Season 2025 to 2026
Authors: Communicable Disease Surveillance Centre
This collection is published on a weekly basis and provides influenza surveillance reports for Wales covering the 2025/26 flu season (October 2025 to October 2026).
It brings together key data and insights on influenza activity and trends, based on information from Public Health Wales surveillance systems and other relevant sources.
Report downloads
Weekly Acute Respiratory Infection Report Week 19 (ending 10 May 2026)
PDF, 2MB
Download PDF - Weekly Acute Respiratory Infection Report Week 19 (ending 10 May 2026) (2 MB)
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- Weekly Acute Respiratory Infection Report Week 17 (ending 26 April 2026) - PDF, 2 MB
- Weekly Acute Respiratory Infection Report Week 16 (ending 19 April 2026) - PDF, 2 MB
- Weekly Acute Respiratory Infection Report Week 15 (ending 12 April 2026) - PDF, 2 MB
- Weekly Acute Respiratory Infection Report: Week 14 (ending 05 April 2026) - PDF, 2 MB
- Weekly Acute Respiratory Infection Report: Week 13 (ending 29 March 2026) - PDF, 2 MB
- Weekly Acute Respiratory Infection Summary week 12 (ending 22 March 2026) - PDF, 2 MB
- Weekly Acute Respiratory Infection Summary week 11 (ending 15 March 2026) - PDF, 2 MB
- Weekly Acute Respiratory Infection Summary week 10 (ending 08 March 2026) - PDF, 2 MB
- Weekly Acute Respiratory Infection Summary week 09 (ending 01 March 2026) - PDF, 2 MB
- Weekly Acute Respiratory Infection Summary week 08 (ending 22 Feburary 2025) - PDF, 2 MB
- Weekly Acute Respiratory Infection Summary week 07 (ending 15 Feburary 2026) - PDF, 2 MB
- Weekly Acute Respiratory Infection Summary week 06 (ending 08 Feburary 2026) - PDF, 2 MB
- Weekly Acute Respiratory Infection Summary week 05 (ending 01 Feburary 2026) - PDF, 2 MB
- Weekly Acute Respiratory Infection Summary week 03 (ending 18 January 2026) - PDF, 2 MB
- Weekly Acute Respiratory Infection Summary week 52 (ending 28 December 2025) - PDF, 2 MB
- Weekly Acute Respiratory Infection Summary week 51 (ending 21 December 2025) - PDF, 2 MB
- Weekly Acute Respiratory Infection Summary week 49 (ending 07 December 2025) - PDF, 2 MB
- Weekly Acute Respiratory Infection Summary week 48 (ending 30 November 2025) - PDF, 2 MB
- Weekly Acute Respiratory Infection Summary week 47 (ending 23 November 2025) - PDF, 2 MB
- Weekly Acute Respiratory Infection Summary week 46 (ending 16 November 2025) - PDF, 2 MB
- Weekly Acute Respiratory Infection Summary week 42 (ending 19 November 2025) - PDF, 2 MB
- Weekly Acute Respiratory Infection Summary week 43 (ending 26 November 2025) - PDF, 2 MB
- Weekly Acute Respiratory Infection Summary week 41 (ending 12 November 2025) - PDF, 2 MB
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