Communicable disease threats report, 25-31 July 2021, week 30

The ECDC Communicable Disease Threats Report (CDTR) is a weekly bulletin for epidemiologists and health professionals on active public health threats. This issue of the ECDC Communicable Disease Threats Report (CDTR) covers the period 25-31 July 2021 and includes updates on COVID-19, Vibrio growth in the Baltic Sea, the Olympic Games in Tokyo 2020 (2021), West Nile virus, chikungunya and dengue.