Core Insights - The European Centre for Disease Prevention and Control (ECDC) reported a historic high in cases of mosquito-borne diseases such as Chikungunya and West Nile virus in Europe, attributing this trend to climate change [1] Summary by Categories Disease Incidence - Chikungunya virus-carrying mosquitoes, specifically Aedes albopictus, have spread to 16 European countries and 369 regions, up from 114 regions a decade ago [1] - Since 2025, Europe has recorded 27 outbreaks of Chikungunya disease [1] - As of August 13, eight European countries reported 335 cases of locally acquired West Nile virus infections, resulting in 19 deaths, with Italy being the most affected country, accounting for 274 infections [1] Environmental Factors - The ECDC indicated that the transmission season for mosquito-borne diseases in Europe is becoming longer and more severe due to climate and environmental factors [1] - Contributing factors include rising temperatures, longer summers, milder winters, and changing rainfall patterns, which create favorable conditions for mosquito breeding and virus transmission [1] Recommendations - The ECDC recommends protective measures such as using insect repellent, wearing long-sleeved clothing and long pants, and installing screens and mosquito nets [1]