基孔肯雅热疫情蔓延全球，气候变暖驱动热带蚊媒传染病扩散

Core Insights - The recent outbreak of Chikungunya virus in Foshan, Guangdong, has raised significant public health concerns, with over 4,000 reported cases as of July 24, 2025, primarily in Shunde District [2][3] - The World Health Organization (WHO) has called for urgent action to prevent a repeat of the large-scale outbreak from 2004-2005, which affected nearly 500,000 people globally [1][2] - Climate change and urbanization are accelerating the spread of mosquito-borne diseases, posing a substantial challenge to global public health [7][8] Summary by Sections Outbreak Details - The first case in Foshan was linked to an imported infection, leading to local transmission [2] - All reported cases are mild, with no human-to-human transmission observed; the primary mode of transmission is through mosquito bites [2][3] - Symptoms include high fever, severe joint pain, and rash, with self-recovery expected in most cases [2] Global Context - The outbreak began in early 2025, with significant infections reported in Indian Ocean islands and spreading to Africa and parts of South Asia [1][2] - France and Italy have also reported cases, raising concerns about the virus's spread beyond tropical regions [2] Prevention and Treatment - Currently, there is no specific treatment for Chikungunya; prevention focuses on avoiding mosquito bites through various measures [3] - Two vaccines have received partial regulatory approval, but widespread use is not yet recommended due to insufficient efficacy data [3] Climate Impact - Global warming is pushing the distribution of the Aedes albopictus mosquito into temperate regions, increasing the risk of Chikungunya and other mosquito-borne diseases in Europe and beyond [7][8] - Predictions indicate that the incidence of Chikungunya and similar diseases could increase fivefold by 2060 due to climate change [7] Public Health Response - Effective mosquito control, monitoring, and research investment are critical to managing the threat posed by Chikungunya and other mosquito-borne diseases [10] - The need for a comprehensive public health strategy involving government, research institutions, and the public is emphasized to combat these emerging threats [10]