Yersiniosis was the fourth most commonly reported gastrointestinal infection in the EU/EEA after campylobacteriosis, salmonellosis and Shiga toxin-producing Escherichia coli (STEC) in 2022.
This core protocol for ECDC studies of VE against hospitalisation with SARI laboratory-confirmed with SARS-CoV-2 or with influenza, version 3.0, represents an update to the main elements for a multi-country hospital-based study of COVID-19 vaccine effectiveness in patients hospitalised with SARI, initially published as version 1.0 [5], updated to version 2.0 [6].
This issue of the ECDC Communicable Disease Threats Report (CDTR) the period 28 January - 3 February 2024 and includes updates on SARS-CoV-2 variant classification, swine influenza, human cases of co-infection with seasonal influenza and avian influenza, influenza, western equine encephalitis, and an overview of respiratory virus epidemiology in the EU/EEA.
For 2021, 26 European Union/European Economic Area (EU/EEA) countries reported data on Crimean-Congo haemorrhagic fever (CCHF) and only one country reported any cases.
This issue of the ECDC Communicable Disease Threats Report (CDTR) the period 21-27 January 2024 and includes updates on SARS-CoV-2, influenza, cholera, chikungunya, dengue and zika.