This core protocol for ECDC studies of VE against hospitalisation with severe acute respiratory infection (SARI) laboratory-confirmed with SARS-CoV-2 or with influenza, version 4.0, represents an update to the main elements for a multi-country hospital-based study of COVID-19 vaccine...

The end of 2019 saw the emergence of a novel severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) causing coronavirus disease 2019 (COVID-19). As of October 2023, almost 276 million cases and more than 2.2 million deaths had been reported in the WHO European Region [1]. As of October...

This document presents the core protocol for ECDC studies of CVE and IVE against symptomatic laboratoryconfirmed influenza or SARS-CoV-2 infection, respectively, at primary care level. This core protocol presents the main elements for a multicentre (multi-country) study of IVE/CVE at primary...

This core protocol for ECDC studies of vaccine effectiveness against hospitalisation with Severe Acute Respiratory Infection laboratory-confirmed with SARS-CoV-2 or with influenza, version 2.0, represents an update to the main elements for a multi-country hospital-based study of COVID-19 vaccine...

Compared with the general public, people in prison in the EU/EEA have a higher burden of communicable diseases such as human immunodeficiency virus (HIV), hepatitis B, hepatitis C, syphilis, gonorrhoea, chlamydia and tuberculosis (TB). Increased disease prevalence in this population is...

During the past decade, the 53 Member States of the WHO European Region, 31 of which are part of the European Union/European Economic Area, invested considerably in pandemic preparedness. This came in the wake of global threats posed by (re-)emerging diseases such as avian influenza A(H5N1) and...

In Europe, influenza occurs in regular annual epidemics in the winter season. Annual influenza epidemics are associated with high morbidity and mortality. Severe illness and complications are more common in certain risk groups, which include those with chronic medical conditions (e.g....

During the past decade, the 53 Member States of the WHO European Region, 31 of which are part of the European Union/European Economic Area, invested considerably in pandemic preparedness. This came in the wake of global threats posed by (re-)emerging diseases such as avian influenza A(H5N1) and...

In Europe, influenza occurs in regular annual epidemics in the winter season. Annual influenza epidemics are associated with high morbidity and mortality. Severe illness and complications are more common in certain risk groups. These include those with chronic medical conditions (e.g....