119个国家报告病例，世卫组织警示基孔肯雅热疫情风险

Core Viewpoint - The World Health Organization (WHO) warns of the global spread of Chikungunya virus, with 119 countries reporting cases and approximately 5.5 million people at risk of infection [1] Group 1: Virus Spread and Impact - The Chikungunya virus is transmitted by mosquitoes, causing symptoms such as high fever, severe joint pain, and long-term fatigue [1] - About 40% of patients may experience disabilities lasting several months or even years, with a very small percentage of cases being fatal [1] - In La Réunion, a French overseas department, about one-third of the population is infected, reminiscent of the large-scale outbreak in the Indian Ocean region 20 years ago [1] Group 2: Geographic Spread - Cases have been reported in various regions, including Asia and Europe, specifically in northern France and Italy [1] Group 3: Vaccination and Prevention Efforts - Two vaccines have been developed globally, primarily for travelers [1] - WHO is assisting countries in enhancing laboratory testing capabilities, healthcare training, and epidemic monitoring, and plans to establish a strategic advisory group to formulate control recommendations [1] - Experts emphasize that controlling mosquito breeding sites is crucial, especially in tropical and temperate high-risk areas [1]