广东佛山新增确诊333例，香港发现首例！基孔肯雅热潜伏期1到12天，人群普遍易感，感染后可获持久免疫力！我国尚无可供使用的疫苗

Core Points - The Chikungunya virus has become a public health concern in Foshan, with a significant increase in confirmed cases reported [1][3] - The Foshan government has activated a Level III public health emergency response to manage the outbreak [3] - The virus is transmitted by Aedes mosquitoes, and the disease is characterized by fever and joint pain [6][10] Group 1: Current Situation - On August 1, Foshan reported 333 new confirmed cases of Chikungunya, bringing the total to over 6,000 cases as of July 31 [1][3] - The outbreak has also been reported in over 10 cities in Guangdong province, including Guangzhou and Yangjiang [3] - Hong Kong has reported its first imported case of Chikungunya, involving a 12-year-old boy [4] Group 2: Disease Characteristics - Chikungunya is an acute infectious disease caused by the Chikungunya virus, primarily transmitted through mosquito bites [6][10] - The disease is prevalent in tropical and subtropical regions, with a continuous expansion of its spread [6][8] - The incubation period for Chikungunya is typically 1 to 12 days, with joint pain being a significant symptom that can last for weeks or even months [12][14] Group 3: Prevention and Control Measures - There is currently no specific treatment for Chikungunya, and prevention focuses on reducing mosquito breeding sites and using repellents [14] - The Chinese Center for Disease Control and Prevention emphasizes the importance of public health measures to control mosquito populations [24][33] - In Foshan, biological control methods, such as releasing fish to consume mosquito larvae, are being implemented [31][33]