佛山确诊超4000例，世卫组织警告：基孔肯雅热在全球多地扩散

Core Viewpoint - The article highlights the rapid spread of Chikungunya virus in Guangdong, China, with over 4,000 confirmed cases reported, emphasizing the need for public awareness and preventive measures against mosquito bites [3][4][8]. Summary by Sections Current Situation - As of July 24, 2023, over 4,000 confirmed cases of Chikungunya fever have been reported in five districts of Foshan, Guangdong, with the majority being mild cases [3]. - Other areas in Guangdong, including Zhongshan and Yangjiang, have also reported cases, with local authorities taking measures to control mosquito populations [3]. Global Context - The World Health Organization has warned that the Chikungunya virus is spreading globally, with 119 countries reporting cases and approximately 5.5 million people at risk of infection [4]. - In 2023, significant outbreaks have been noted in regions like Réunion Island, India, and Bangladesh, with local transmission occurring in several European countries [5][6]. Factors Contributing to the Outbreak - The article discusses multiple factors leading to the larger scale of the current outbreak compared to previous years, including high external transmission intensity and favorable climatic conditions for mosquito breeding [8]. - The introduction of a strain of the virus from the Indian Ocean, which is particularly transmissible by Aedes mosquitoes, has exacerbated the situation [8]. Prevention Measures - Effective prevention of Chikungunya fever relies on mosquito control, which is crucial for breaking the transmission chain [12]. - Recommendations include regular cleaning of potential mosquito breeding sites, wearing protective clothing, and using mosquito repellent [12].