This issue of the ECDC Communicable Disease Threats Report (CDTR) covers the period 22-28 October 2023 and includes updates on poliomyelitis, SARS-CoV-2, West Nile virus, the Rugby World Cup 2023, and cryptosporidiosis cases.
The Global Influenza Surveillance and Response System (GISRS), led by WHO, is used for the international virological and epidemiological surveillance of human influenza.
The clinical surveillance of influenza in the European Influenza Surveillance Network (EISN) is generally based on reports made by sentinel general practitioners. Some of the sentinel surveillance systems also include paediatricians and physicians with other specialisations. The physicians usually represent 1-5% of physicians working in the country or region.
ECDC and World Health Organization (WHO) Regional Office for Europe have jointly developed the European Respiratory Virus Surveillance Summary (ERVISS), an interactive surveillance data dashboard for influenza, respiratory syncytial virus (RSV), and severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) that also features a weekly epidemiological summary.
There are general objectives for integrated surveillance of respiratory viruses in the European Union. These objectives apply to surveillance of influenza, COVID-19, and other respiratory virus infections.
This issue of the ECDC Communicable Disease Threats Report (CDTR) covers the period 15-22 October 2023 and includes updates on respiratory virus epidemiology in the EU/EEA, SARS-CoV-2 variant classification, cryptosporidiosis, dengue, West Nile virus, and mass gathering monitoring for the Rugby World Cup.
This issue of the ECDC Communicable Disease Threats Report (CDTR) covers the period 8-14 October 2023 and includes updates on hepatitis A, influenza A(H5N1), COVID-19, the Rugby World Cup 2023, West Nile virus, measles and diphtheria.
Compared with the 2021‑2022 influenza season, for sentinel surveillance the number of tested specimens has
doubled, with a 4‑fold increase in influenza detections.
Since the beginning of 2023, and as of 2 October 2023, two MERS-CoV cases have been reported with the date of onset in 2023 by United Arab Emirates (1) and Saudi Arabia (1).