Since the beginning of 2018 and as of 14 May, 2 980 autochthonous cases of dengue have been reported in Réunion. The main areas affected are in the western part of the island. The most prevalent serotype among dengue cases is DENV-2 and the main vector implicated in the outbreak is Aedes albopictus.
In 2023, and as of 23 August, over 3.7 million cases and over 2 000 dengue-related deaths have been reported from 70 countries/territories globally. In July-August 2023, six autochthonous/non-travel associated dengue cases have been reported in Europe.
This document assesses the risk related to dengue for EU/EEA citizens travelling to or residing in Réunion, and the risk related to having an outbreak of dengue in mainland EU/EEA following introduction of the virus from Réunion.
This issue of the ECDC Communicable Disease Threats Report (CDTR) the period 17-23 March 2024 and includes updates on SARS-CoV-2 variant classification, hepatitis A, pertussis, invasive Group A streptococcal infection, chikungunya, dengue, poliomyelitis, western equine encephalitis and cholera.