This issue of the ECDC Communicable Disease Threats Report (CDTR) covers the period 14-20 January 2024 and includes updates on avian influenza, SARS-CoV-2 variant classification, an overview of respiratory viruses in the EU/EEA, mpox, measles, and Infant formula for medical purposes recalled due to possible contamination with Cronobacter sakazakii.
This generic protocol for ECDC studies describes the design and methods for a prospective multi-country cohort study of hospital-based healthcare workers (HCWs) to evaluate the effectiveness of COVID-19 vaccine in preventing laboratory-confirmed SARS-CoV-2 infection.