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This issue of the ECDC Communicable Disease Threats Report (CDTR) covers the period 18-24 April 2026, and includes updates on avian influenza, Salmonella Bovismorbificans, and an overview of respiratory virus epidemiology in the EU/EEA.

Most respiratory virus activity remains low overall across the EU/EEA. RSV: moderate activity but decreasing, with the seasonal peak already passed in most countries. Influenza: activity has returned to inter-seasonal levels. COVID 19: Very low activity.

This issue of the ECDC Communicable Disease Threats Report (CDTR) covers the period 12-18 April 2026, and includes updates on respiratory virus epidemiology in the EU/EEA, measles, zika, and chikungunya.

Most respiratory virus activity remains low overall across the EU/EEA. Influenza has returned to inter-seasonal levels. COVID 19 circulation is also very low. RSV activity is elevated but decreasing. Peak levels having passed in most countries.

This issue of the ECDC Communicable Disease Threats Report (CDTR) covers the period 4-10 April 2026, and includes updates on avian influenza, dengue, and an overview of respiratory virus epidemiology in the EU/EEA.

Most respiratory virus activity remains low overall across the EU/EEA. Influenza and COVID 19 circulation are low or continuing to decline. RSV activity remains elevated, with early indications of a gradual decline.

This issue of the ECDC Communicable Disease Threats Report (CDTR) covers the period 28 March-3 April 2026 and includes updates on SARS-CoV-2 variant classification, Middle East respiratory syndrome coronavirus (MERS-CoV), cholera, HIV, and avian influenza.