This issue of the ECDC Communicable Disease Threats Report (CDTR) covers the period 2-8 July 2023 and includes updates on avian influenza in domestic cats, pride celebrations, diphtheria, COVID-19, West Nile virus, mass gatherings, measles, Middle East respiratory syndrome coronavirus (MERS-CoV), Mpox, and Ralstonia mannitolilytica in dialysis patients.