The mosquito species Aedes albopictus, a known vector of chikungunya and dengue viruses, is establishing itself further northwards and westwards in Europe, according to the latest data.
This issue of the ECDC Communicable Disease Threats Report (CDTR) covers the period 11-17 June 2023 and includes updates on COVID-19, West Nile virus, chikungunya and dengue, avian influenza, measles, diphtheria, cholera, echovirus, and information on the Hajj.
Between 2018 and 2020, nearly 20 000 surgical site infections (SSIs) were reported from a total of over 1.2 million surgical procedures in 13 EU/EEA countries participating in ECDC-coordinated SSI surveillance. Over 2 500 hospitals are part of this surveillance network.